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Round|Lab Grown|IGI

1.51ct F FL Round Lab Grown Diamond

ID • F/FL • IGI LG816610502

Shape and cutting style on the report: Round brilliant

Certificate IGI LG816610502

Diamond specifications and retailer prices

From $671 SGD
As of November 4, 2026
Save $3,723 SGD (85%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $4,394 SGD at Brilliant Earth · As of November 4, 2026
View at Brilliant Earth

About this 1.51ct lab-grown round diamond

This 1.51ct lab-grown round sits in the one-and-a-half to two carat band, graded F colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG816610502 or 816610502. Listed at 23 retailers as of November 4, 2026, with prices from $671 to $4,394, a $3,723 spread on the same certified stone. Brilliant Earth lists it at $4,394. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
F
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.8°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816610502
Dimensions7.51 × 7.45 × 4.49 mm
L/W Ratio1.01
Girdle conditionFaceted
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
7.51 mm7.45 mm1.51 ctF / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG816610502
Side View
Table 56.0%Crown 32.8°Girdle: THN-MEDPavilion 40.8°Culet: NoneDepth 60.0%

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: $4,394 SGD|Low: $671 SGD|High: $5,096 SGD|Avg: $1,988 SGD|-13.6%
Brilliant Earth
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
November 5, 2026
Retailer 6$671 SGD
Retailer 13$926 SGD
Retailer 10$1,031 SGD
Retailer 4$1,045 SGD
Retailer 3$1,134 SGD
Retailer 2$1,136 SGD
Retailer 14$1,280 SGD
Retailer 15$1,708 SGD
Retailer 7$1,727 SGD
Retailer 11$2,088 SGD
Retailer 8$2,230 SGD
Retailer 9$2,477 SGD
Retailer 12$2,497 SGD
Retailer 5$2,620 SGD
Brilliant Earth$4,394 SGD

37 data points across 15 retailers

23 retailers$671 SGD to $4,394 SGD

Retailer 1
-
$590 SGD
Price last confirmed 44 days ago
Retailer 2
-
$590 SGD
View
Price last confirmed 26 days ago
Retailer 3
-
$660 SGD
View
Price last confirmed 44 days ago
A
Retailer 4
-
$671 SGD
View
Final sale: no returns
Retailer 5
-
$722 SGD
View
Price last confirmed 42 days ago
Retailer 6
-
$732 SGD
View
Price last confirmed 34 days ago
Retailer 7
-
$732 SGD
View
Price last confirmed 24 days ago
A
Retailer 8
-
$926 SGD
View
A
Retailer 9
-
$1,031 SGD
View
A
Retailer 10
-
$1,045 SGD
View
Retailer 11
-
$1,134 SGD
View
Price last confirmed 7 days ago
B+
Retailer 12
-
$1,136 SGD
View
B+
Retailer 13
-
$1,280 SGD
View
B+
Retailer 14
-
$1,708 SGD
View
B
Retailer 15
-
$1,727 SGD
View
B+
Retailer 16
-
$2,088 SGD
View
B+
Retailer 17
-
$2,230 SGD
View
Retailer 18
-
$2,352 SGD
View
Price last confirmed 29 days ago
Retailer 19
-
$2,352 SGD
View
Price last confirmed 45 days ago
B
Retailer 20
-
$2,477 SGD
View
B
Retailer 21
-
$2,497 SGD
View
B
Retailer 22
-
$2,620 SGD
View
Most Expensive
B
Brilliant Earth
21019166A · Nov 4
$4,394 SGD
$3,440 USD
View
22 more retailers have this diamond
Prices start from $671 SGDSave up to $3,723 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
1.51ct Round
$671 SGD