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Emerald|Lab Grown|IGI

4.51ct D IF Emerald Lab Grown Diamond

EX • D/IF • IGI LG655460617

Shape and cutting style on the report: Emerald cut

Certificate IGI LG655460617

Diamond specifications and retailer prices

From $5,968 SGD
As of November 4, 2026
Save $20,146 SGD (77%) vs most expensive(unlock to see where)
28 retailers carry this diamond
Most expensive: $26,113 SGD at With Clarity · As of November 3, 2026
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 as of November 3, 2026, with prices from $5,968 to $26,113, a $20,146 spread on the same certified stone. With Clarity lists it at $26,113. 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
Colour
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 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: $8,911 SGD|Low: $5,730 SGD|High: $31,338 SGD|Avg: $12,822 SGD|-17.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
Retailer 22
Retailer 23
Retailer 24
With Clarity
November 4, 2026
Retailer 5$5,968 SGD
Retailer 15$6,255 SGD
Retailer 9$6,517 SGD
Retailer 16$6,683 SGD
Retailer 7$6,924 SGD
Retailer 11$6,924 SGD
Retailer 4$6,970 SGD
Retailer 3$7,906 SGD
Retailer 23$8,232 SGD
Retailer 8$8,651 SGD
Retailer 1$8,911 SGD
Retailer 13$9,763 SGD
Retailer 14$9,846 SGD
Retailer 2$10,342 SGD
Retailer 22$11,312 SGD
Retailer 6$12,984 SGD
Retailer 18$14,334 SGD
Retailer 12$14,779 SGD
Retailer 19$15,160 SGD
Retailer 10$19,241 SGD
Retailer 21$20,192 SGD
Retailer 20$22,085 SGD
Retailer 24$23,838 SGD
Retailer 17$24,768 SGD
With Clarity$26,113 SGD

36 data points across 25 retailers

28 retailers$5,968 SGD to $26,113 SGD

A
Cheapest Retailer
-
$5,968 SGD
A
Retailer 2
-
$6,255 SGD
View
A
Retailer 3
-
$6,517 SGD
View
A
Retailer 4
-
$6,683 SGD
View
Final sale: no returns
A
Retailer 5
-
$6,924 SGD
View
Retailer 6
-
$6,924 SGD
View
Price last confirmed 19 days ago
A
Retailer 7
-
$6,970 SGD
View
A
Retailer 8
-
$7,906 SGD
View
A
Retailer 9
-
$8,232 SGD
View
A
Retailer 10
-
$8,651 SGD
View
A
Retailer 11
-
$8,911 SGD
View
A
Retailer 12
-
$9,763 SGD
View
A
Retailer 13
-
$9,846 SGD
View
A
Retailer 14
-
$10,342 SGD
View
B+
Retailer 15
-
$11,312 SGD
View
Retailer 16
-
$11,672 SGD
View
Price last confirmed 115 days ago
B+
Retailer 17
-
$12,302 SGD
View
B+
Retailer 18
-
$12,984 SGD
View
Retailer 19
-
$13,423 SGD
View
Price last confirmed 26 days ago
B+
Retailer 20
-
$14,334 SGD
View
B+
Retailer 21
-
$14,779 SGD
View
B+
Retailer 22
-
$15,160 SGD
View
B
Retailer 23
-
$19,241 SGD
View
B
Retailer 24
-
$20,192 SGD
View
B
Retailer 25
-
$22,085 SGD
View
B
Retailer 26
-
$23,838 SGD
View
B
Retailer 27
-
$24,768 SGD
View
Most Expensive
B
With Clarity
655460617 · Nov 3
$26,113 SGD
$20,382 USD
View
27 more retailers have this diamond
Prices start from $5,968 SGDSave up to $20,146 SGD

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. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
4.51ct Emerald
$5,968 SGD