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Emerald|Lab Grown|IGI

4.51ct D IF Emerald Lab Grown Diamond

ID • D/IF • IGI LG781639241

Certificate IGI LG781639241

Diamond specifications and retailer prices

From $6,848 USD
Save $20,925 USD (75%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $27,773 USD at Michael Trio
View at Michael Trio

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 LG781639241 or 781639241. Listed at 24 retailers, with prices from $6,848 to $27,773 at Michael Trio, a $20,925 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.9°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG781639241
Dimensions11.32 × 7.88 × 4.98 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
11.32 mm7.88 mm4.51 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG781639241
Side View
Table 63.0%Crown 33.9°Girdle: STK-THKPavilion 40.2°Culet: LNGDepth 63.2%

Caratlytics Score

How it works →
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: $27,773 USD|Low: $5,477 USD|High: $27,773 USD|Avg: $13,946 USD
Michael Trio
Retailer 2
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Retailer 19
September 30, 2026
Retailer 16$7,086 USD
Retailer 17$7,669 USD
Retailer 5$7,910 USD
Retailer 2$7,944 USD
Retailer 9$8,460 USD
Retailer 10$9,600 USD
Retailer 8$9,783 USD
Retailer 13$10,180 USD
Retailer 6$10,478 USD
Retailer 18$11,354 USD
Retailer 3$12,055 USD
Retailer 15$16,072 USD
Retailer 4$16,231 USD
Retailer 12$16,600 USD
Retailer 14$17,568 USD
Retailer 7$22,110 USD
Retailer 19$22,760 USD
Retailer 11$27,181 USD
Michael Trio$27,773 USD

37 data points across 19 retailers

24 retailers$6,848 USD to $27,773 USD

A
Cheapest Retailer
-
$6,848 USD
A
Retailer 2
-
$7,086 USD
View
A
Retailer 3
-
$7,122 USD
View
A
Retailer 4
-
$7,669 USD
View
A
Retailer 5
-
$7,834 USD
View
A
Retailer 6
-
$7,910 USD
View
A
Retailer 7
-
$7,944 USD
View
B+
Retailer 8
-
$8,460 USD
View
B+
Retailer 9
-
$9,430 USD
View
B+
Retailer 10
-
$9,600 USD
HK$75,000 HKD
View
B+
Retailer 11
-
$9,783 USD
View
B+
Retailer 12
-
$10,203 USD
£8,034 GBP
View
B+
Retailer 13
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$10,478 USD
£8,250 GBP
View
B+
Retailer 14
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$11,354 USD
£8,940 GBP
View
B+
Retailer 15
-
$12,055 USD
View
B
Retailer 16
-
$15,376 USD
View
B
Retailer 17
-
$16,072 USD
£12,655 GBP
View
B
Retailer 18
-
$16,231 USD
View
B
Retailer 19
-
$16,600 USD
ZAR 268,176 ZAR
View
B
Retailer 20
-
$17,568 USD
A$27,027 AUD
View
B
Retailer 21
-
$22,110 USD
View
B
Retailer 22
-
$22,760 USD
View
B
Retailer 23
-
$27,181 USD
View
Most Expensive
B
Michael Trio
2130768795 · Sep 29
$27,773 USD
SGD 37,531 SGD
View
23 more retailers have this diamond
Prices start from $6,848 USDSave up to $20,925 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
$6,848 USD