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Round|Lab Grown|IGI

5.51ct D FL Round Lab Grown Diamond

ID • D/FL • IGI LG787621675

Shape and cutting style on the report: Round brilliant

Certificate IGI LG787621675

Diamond specifications and retailer prices

From $10,772 SGD
$8,426 USD
As of November 1, 2026
Save $38,433 SGD (78%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $49,204 SGD at With Clarity · As of October 31, 2026
View at With Clarity

About this 5.51ct lab-grown round diamond

This 5.51ct lab-grown round sits in the over five carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG787621675 or 787621675. Listed at 12 retailers as of October 31, 2026, with prices from $10,772 to $49,204, a $38,433 spread on the same certified stone. With Clarity lists it at $49,204. 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

5.51
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.9°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG787621675
Dimensions11.31 × 11.38 × 7.01 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
HEARTS & ARROWS 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
11.31 mm11.38 mm5.51 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG787621675
Side View
Table 56.0%Crown 34.9°Girdle: MediumPavilion 40.8°Culet: NoneDepth 61.8%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $14,556 SGD|Low: $10,599 SGD|High: $49,253 SGD|Avg: $24,055 SGD|+0.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
With Clarity
November 1, 2026
Retailer 7$10,772 SGD
Retailer 3$12,062 SGD
Retailer 10$12,684 SGD
Retailer 8$13,189 SGD
Retailer 1$14,556 SGD
Retailer 11$15,176 SGD
Retailer 4$20,264 SGD
Retailer 6$22,639 SGD
Retailer 5$30,170 SGD
Retailer 2$34,031 SGD
Retailer 9$39,116 SGD
With Clarity$49,253 SGD

41 data points across 12 retailers

12 retailers$10,772 SGD to $49,204 SGD

A
Cheapest Retailer
-
$10,772 SGD
$8,426 USD
Retailer 2
-
$12,062 SGD
$9,435 USD
View
Price last confirmed 76 days ago
A
Retailer 3
-
$12,684 SGD
$9,922 USD
View
A
Retailer 4
-
$13,189 SGD
HK$80,600 HKD
View
A
Retailer 5
-
$14,556 SGD
£8,965 GBP
View
A
Retailer 6
-
$15,176 SGD
$11,871 USD
View
A
Retailer 7
-
$20,264 SGD
€15,096 EUR
View
B+
Retailer 8
-
$22,639 SGD
£13,944 GBP
View
B+
Retailer 9
-
$30,170 SGD
$23,600 USD
View
Retailer 10
-
$34,031 SGD
$26,620 USD
View
Price last confirmed 33 days ago
B
Retailer 11
-
$39,116 SGD
$30,598 USD
View
Most Expensive
B
With Clarity
787621675 · Oct 31
$49,204 SGD
$38,489 USD
View
11 more retailers have this diamond
Prices start from $10,772 SGDSave up to $38,433 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
5.51ct Round
$10,772 SGD