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Round|Lab Grown|IGI

5.51ct D FL Round Lab Grown Diamond

ID • D/FL • IGI LG768629057

Shape and cutting style on the report: Round brilliant

Certificate IGI LG768629057

Diamond specifications and retailer prices

From $9,812 SGD
$7,675 USD
As of November 1, 2026
Save $29,305 SGD (75%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $39,116 SGD at Taylor and Hart · As of October 31, 2026
View at Taylor and Hart

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 LG768629057 or 768629057. Listed at 14 retailers as of October 31, 2026, with prices from $9,812 to $39,116, a $29,305 spread on the same certified stone. Taylor and Hart lists it at $39,116. 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 angle34.5°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG768629057
Dimensions11.36 × 11.42 × 6.95 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
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
11.36 mm11.42 mm5.51 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG768629057
Side View
Table 56.0%Crown 34.5°Girdle: THN-MEDPavilion 40.7°Culet: NoneDepth 61.0%

Caratlytics Score

How it works →
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 1
Current: $22,517 SGD|Low: $9,812 SGD|High: $46,674 SGD|Avg: $22,092 SGD|+0.0%
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
Taylor and Hart
November 1, 2026
Retailer 12$9,812 SGD
Retailer 3$11,236 SGD
Retailer 2$12,684 SGD
Retailer 13$13,271 SGD
Retailer 6$14,556 SGD
Retailer 11$20,100 SGD
Retailer 7$20,264 SGD
Retailer 5$21,047 SGD
Retailer 1$22,517 SGD
Retailer 9$24,645 SGD
Retailer 8$29,326 SGD
Retailer 4$33,318 SGD
Retailer 10$36,622 SGD
Taylor and Hart$39,116 SGD

42 data points across 14 retailers

14 retailers$9,812 SGD to $39,116 SGD

A
Cheapest Retailer
-
$9,812 SGD
$7,675 USD
A
Retailer 2
-
$11,236 SGD
$8,789 USD
View
Retailer 3
-
$11,632 SGD
$9,099 USD
View
Price last confirmed 76 days ago
A
Retailer 4
-
$12,684 SGD
$9,922 USD
View
A
Retailer 5
-
$13,271 SGD
HK$81,100 HKD
View
A
Retailer 6
-
$14,556 SGD
£8,965 GBP
View
A
Retailer 7
-
$20,100 SGD
$15,723 USD
View
A
Retailer 8
-
$20,264 SGD
€15,096 EUR
View
B+
Retailer 9
-
$22,517 SGD
£13,869 GBP
View
B+
Retailer 10
-
$24,645 SGD
ZAR 311,441 ZAR
View
B+
Retailer 11
-
$29,326 SGD
$22,940 USD
View
B+
Retailer 12
-
$33,318 SGD
$26,062 USD
View
B
Retailer 13
-
$36,622 SGD
$28,647 USD
View
Most Expensive
B
Taylor and Hart
BCB6Q9W · Oct 31
$39,116 SGD
$30,598 USD
View
13 more retailers have this diamond
Prices start from $9,812 SGDSave up to $29,305 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
$9,812 SGD