CaratHunter
Plans
Round|Lab Grown|IGI

1.51ct D IF Round Lab Grown Diamond

ID • D/IF • IGI LG838619572

Shape and cutting style on the report: Round brilliant

Certificate IGI LG838619572

Diamond specifications and retailer prices

From $426 SGD
$333 USD
As of October 29, 2026
Save $3,371 SGD (89%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $3,797 SGD at Brilliant Earth · As of October 30, 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 LG838619572 or 838619572. Listed at 20 retailers as of October 29, 2026, with prices from $426 to $3,797, a $3,371 spread on the same certified stone. Brilliant Earth lists it at $3,797. 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 angle35.7°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG838619572
Dimensions7.28 × 7.31 × 4.54 mm
L/W Ratio1.00
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
7.28 mm7.31 mm1.51 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG838619572
Side View
Table 58.0%Crown 35.7°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 62.2%

Caratlytics Score

How it works →
A+
Exceptional
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: Oct 29
Current: $3,797 SGD|Low: $426 SGD|High: $4,922 SGD|Avg: $1,127 SGD|-16.6%
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
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
October 31, 2026
Retailer 20$426 SGD
Retailer 5$476 SGD
Retailer 18$495 SGD
Retailer 13$528 SGD
Retailer 9$536 SGD
Retailer 12$589 SGD
Retailer 19$679 SGD
Retailer 7$710 SGD
Retailer 14$710 SGD
Retailer 2$855 SGD
Retailer 3$857 SGD
Retailer 6$908 SGD
Retailer 15$944 SGD
Retailer 4$1,232 SGD
Retailer 17$1,551 SGD
Retailer 8$1,688 SGD
Retailer 16$1,699 SGD
Retailer 11$1,872 SGD
Retailer 10$2,150 SGD
Brilliant Earth$3,797 SGD

20 data points across 20 retailers

20 retailers$426 SGD to $3,797 SGD

A+
Cheapest Retailer
-
$426 SGD
$333 USD
A
Retailer 2
-
$476 SGD
$372 USD
View
Final sale: no returns
A
Retailer 3
-
$495 SGD
$387 USD
View
A
Retailer 4
-
$528 SGD
$413 USD
View
A
Retailer 5
-
$536 SGD
$419 USD
View
A
Retailer 6
-
$589 SGD
HK$3,600 HKD
View
A
Retailer 7
-
$679 SGD
£418 GBP
View
A
Retailer 8
-
$710 SGD
$555 USD
View
A
Retailer 9
-
$710 SGD
$555 USD
View
A
Retailer 10
-
$855 SGD
€637 EUR
View
A
Retailer 11
-
$857 SGD
$670 USD
View
A
Retailer 12
-
$908 SGD
ZAR 11,478 ZAR
View
A
Retailer 13
-
$944 SGD
£582 GBP
View
A
Retailer 14
-
$1,232 SGD
A$1,483 AUD
View
B+
Retailer 15
-
$1,551 SGD
$1,213 USD
View
B+
Retailer 16
-
$1,688 SGD
View
B+
Retailer 17
-
$1,699 SGD
$1,329 USD
View
B+
Retailer 18
-
$1,872 SGD
$1,464 USD
View
B+
Retailer 19
-
$2,150 SGD
£1,324 GBP
View
Most Expensive
B
Brilliant Earth
21621094A · Oct 30
$3,797 SGD
$2,970 USD
View
19 more retailers have this diamond
Prices start from $426 SGDSave up to $3,371 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
$426 SGD