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Round|Lab Grown|IGI

1.51ct D IF Round Lab Grown Diamond

ID • D/IF • IGI LG788624613

Shape and cutting style on the report: Round brilliant

Certificate IGI LG788624613

Diamond specifications and retailer prices

From $539 SGD
$422 USD
As of October 29, 2026
Save $5,085 SGD (90%) vs most expensive(unlock to see where)
26 retailers carry this diamond
Most expensive: $5,625 SGD at Brilliant Earth · As of October 31, 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 D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG788624613 or 788624613. Listed at 26 retailers as of October 29, 2026, with prices from $539 to $5,625, a $5,085 spread on the same certified stone. Brilliant Earth lists it at $5,625. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG788624613
Dimensions7.32 × 7.37 × 4.55 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
7.32 mm7.37 mm1.51 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG788624613
Side View
Table 57.0%Crown 35.5°Girdle: MediumPavilion 40.8°Culet: NoneDepth 61.9%

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: Oct 29
Current: $5,625 SGD|Low: $518 SGD|High: $5,625 SGD|Avg: $1,430 SGD
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
Retailer 16
Retailer 17
Retailer 18
November 1, 2026
Retailer 17$539 SGD
Retailer 18$603 SGD
Retailer 7$605 SGD
Retailer 3$670 SGD
Retailer 9$670 SGD
Retailer 15$857 SGD
Retailer 10$897 SGD
Retailer 6$977 SGD
Retailer 11$1,048 SGD
Retailer 2$1,100 SGD
Retailer 13$1,151 SGD
Retailer 12$1,559 SGD
Retailer 14$1,878 SGD
Retailer 5$2,126 SGD
Retailer 8$2,152 SGD
Retailer 16$2,463 SGD
Retailer 4$2,506 SGD
Brilliant Earth$5,625 SGD

44 data points across 18 retailers

26 retailers$539 SGD to $5,625 SGD

A
Cheapest Retailer
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$539 SGD
$422 USD
A
Retailer 2
-
$603 SGD
$472 USD
View
Final sale: no returns
A
Retailer 3
-
$605 SGD
$473 USD
View
A
Retailer 4
-
$670 SGD
$524 USD
View
A
Retailer 5
-
$670 SGD
$524 USD
View
A
Retailer 6
-
$736 SGD
HK$4,500 HKD
View
A
Retailer 7
-
$857 SGD
$670 USD
View
A
Retailer 8
-
$897 SGD
$702 USD
View
A
Retailer 9
-
$977 SGD
$764 USD
View
A
Retailer 10
-
$1,048 SGD
€781 EUR
View
A
Retailer 11
-
$1,100 SGD
£678 GBP
View
A
Retailer 12
-
$1,151 SGD
ZAR 14,539 ZAR
View
A
Retailer 13
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$1,275 SGD
$997 USD
View
B+
Retailer 14
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$1,559 SGD
A$1,876 AUD
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B+
Retailer 15
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$1,615 SGD
$1,263 USD
View
B+
Retailer 16
-
$1,878 SGD
$1,469 USD
View
B+
Retailer 17
-
$2,126 SGD
View
B+
Retailer 18
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$2,152 SGD
$1,683 USD
View
B+
Retailer 19
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$2,169 SGD
$1,697 USD
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B+
Retailer 20
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$2,195 SGD
$1,717 USD
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B
Retailer 21
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$2,433 SGD
$1,903 USD
View
B+
Retailer 22
-
$2,463 SGD
£1,517 GBP
View
B
Retailer 23
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$2,506 SGD
$1,960 USD
View
Retailer 24
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$2,960 SGD
$2,315 USD
View
Price last confirmed 97 days ago
B
Retailer 25
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$3,718 SGD
£2,290 GBP
View
Most Expensive
B
Brilliant Earth
20465278A · Oct 31
$5,625 SGD
$4,400 USD
View
25 more retailers have this diamond
Prices start from $539 SGDSave up to $5,085 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
$539 SGD