Emerald|Lab Grown|IGI

4.51ct D IF Emerald Lab Grown Diamond

EX • D/IF • IGI LG655460617

Certificate IGI LG655460617

Diamond specifications and retailer prices

From $5,548 USD
Save $18,911 USD (77%) vs most expensive(unlock to see where)
28 retailers carry this diamond
Most expensive: $24,459 USD at With Clarity
View at With Clarity

About this 4.51ct lab-grown emerald diamond

This 4.51ct lab-grown emerald sits in the three to five carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG655460617 or 655460617. Listed at 28 retailers, with prices from $5,548 to $24,459 at With Clarity, a $18,911 spread on the same certified stone. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

4.51
Carat
D
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.6°
Pavilion angle41.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG655460617
Dimensions11.49 × 7.98 × 4.96 mm
L/W Ratio1.44
Culet sizeLong
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
11.49 mm7.98 mm4.51 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG655460617
Side View
Table 62.0%Crown 32.6°Girdle: THN-MEDPavilion 41.5°Culet: LNGDepth 62.2%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0-100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Sep 29
Current: $18,190 USD|Low: $4,820 USD|High: $26,121 USD|Avg: $12,415 USD|+1.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
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Retailer 11
Retailer 12
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Retailer 15
Retailer 16
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Retailer 19
Retailer 20
Retailer 21
Retailer 22
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Retailer 24
Retailer 25
With Clarity
October 1, 2026
Retailer 12$5,548 USD
Retailer 25$5,898 USD
Retailer 2$6,213 USD
Retailer 6$6,347 USD
Retailer 10$6,435 USD
Retailer 3$6,440 USD
Retailer 8$7,640 USD
Retailer 15$7,718 USD
Retailer 19$7,999 USD
Retailer 22$8,374 USD
Retailer 21$8,378 USD
Retailer 11$9,144 USD
Retailer 4$9,640 USD
Retailer 13$10,340 USD
Retailer 18$10,478 USD
Retailer 16$12,713 USD
Retailer 24$13,252 USD
Retailer 5$13,439 USD
Retailer 20$13,448 USD
Retailer 23$14,208 USD
Retailer 7$17,900 USD
Retailer 1$18,190 USD
Retailer 14$22,329 USD
Retailer 9$22,745 USD
Retailer 17$22,760 USD
With Clarity$23,970 USD

39 data points across 26 retailers

28 retailers$5,548 USD to $24,459 USD

A
Cheapest Retailer
-
$5,548 USD
A
Retailer 2
-
$5,898 USD
View
A
Retailer 3
-
$6,213 USD
View
A
Retailer 4
-
$6,347 USD
View
A
Retailer 5
-
$6,435 USD
View
A
Retailer 6
-
$6,440 USD
View
A
Retailer 7
-
$7,640 USD
View
A
Retailer 8
-
$7,718 USD
HK$60,300 HKD
View
A
Retailer 9
-
$7,999 USD
View
B+
Retailer 10
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$8,374 USD
View
A
Retailer 11
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$8,396 USD
£6,611 GBP
View
B+
Retailer 12
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$9,111 USD
View
Price last confirmed 80 days ago
B+
Retailer 13
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$9,144 USD
£7,200 GBP
View
B+
Retailer 14
-
$9,640 USD
View
B+
Retailer 15
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$10,340 USD
€9,848 EUR
View
B+
Retailer 16
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$10,478 USD
£8,250 GBP
View
B+
Retailer 17
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$12,713 USD
A$19,558 AUD
View
B+
Retailer 18
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$12,862 USD
View
B+
Retailer 19
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$13,252 USD
£10,435 GBP
View
B+
Retailer 20
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$13,439 USD
View
B+
Retailer 21
-
$13,448 USD
ZAR 217,255 ZAR
View
B
Retailer 22
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$14,208 USD
A$21,859 AUD
View
B
Retailer 23
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$17,900 USD
View
B
Retailer 24
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$18,190 USD
A$27,984 AUD
View
B
Retailer 25
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$22,329 USD
SGD 30,174 SGD
View
B
Retailer 26
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$22,745 USD
View
B
Retailer 27
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$22,760 USD
View
Most Expensive
B
With Clarity
655460617 · Sep 30
$24,459 USD
View
27 more retailers have this diamond
Prices start from $5,548 USDSave up to $18,911 USD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing.

A
4.51ct Emerald
$5,548 USD