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Round|Lab Grown|IGI

1.87ct D IF Round Lab Grown Diamond

ID • D/IF • IGI LG815677291

Shape and cutting style on the report: Round brilliant

Certificate IGI LG815677291

Diamond specifications and retailer prices

From $600 SGD
$468 USD
As of October 28, 2026
Save $4,655 SGD (89%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: $5,255 SGD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.87ct lab-grown round diamond

This 1.87ct 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 LG815677291 or 815677291. Listed at 25 retailers as of October 28, 2026, with prices from $600 to $5,255, a $4,655 spread on the same certified stone. Brilliant Earth lists it at $5,255. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.87
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG815677291
Dimensions7.96 × 7.92 × 4.82 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
7.96 mm7.92 mm1.87 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG815677291
Side View
Table 59.0%Crown 34.3°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 60.6%

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 28
Current: $5,255 SGD|Low: $427 SGD|High: $5,409 SGD|Avg: $1,928 SGD|-2.8%
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
October 30, 2026
Retailer 5$600 SGD
Retailer 4$936 SGD
Retailer 14$936 SGD
Retailer 10$1,060 SGD
Retailer 2$1,090 SGD
Retailer 13$1,140 SGD
Retailer 6$1,532 SGD
Retailer 9$1,545 SGD
Retailer 3$1,847 SGD
Retailer 16$1,861 SGD
Retailer 7$2,177 SGD
Retailer 12$2,315 SGD
Retailer 8$2,420 SGD
Retailer 11$2,451 SGD
Retailer 15$3,691 SGD
Brilliant Earth$5,255 SGD

35 data points across 16 retailers

25 retailers$600 SGD to $5,255 SGD

Retailer 1
-
$536 SGD
$418 USD
Price last confirmed 38 days ago
Retailer 2
-
$536 SGD
$418 USD
View
Price last confirmed 20 days ago
Retailer 3
-
$600 SGD
$468 USD
View
Price last confirmed 38 days ago
A
Retailer 4
-
$600 SGD
$468 USD
View
Final sale: no returns
Retailer 5
-
$655 SGD
$511 USD
View
Price last confirmed 48 days ago
Retailer 6
-
$655 SGD
$511 USD
View
Price last confirmed 35 days ago
Retailer 7
-
$664 SGD
$518 USD
View
Price last confirmed 18 days ago
Retailer 8
-
$664 SGD
$518 USD
View
Price last confirmed 28 days ago
A
Retailer 9
-
$936 SGD
$730 USD
View
A
Retailer 10
-
$936 SGD
$730 USD
View
A
Retailer 11
-
$1,060 SGD
€788 EUR
View
A
Retailer 12
-
$1,090 SGD
£669 GBP
View
A
Retailer 13
-
$1,140 SGD
ZAR 14,374 ZAR
View
A
Retailer 14
-
$1,532 SGD
$1,195 USD
View
A
Retailer 15
-
$1,545 SGD
A$1,855 AUD
View
B+
Retailer 16
-
$1,847 SGD
$1,441 USD
View
B+
Retailer 17
-
$1,861 SGD
$1,452 USD
View
Retailer 18
-
$2,133 SGD
$1,664 USD
View
Price last confirmed 22 days ago
Retailer 19
-
$2,133 SGD
$1,664 USD
View
Price last confirmed 33 days ago
B+
Retailer 20
-
$2,177 SGD
$1,698 USD
View
B+
Retailer 21
-
$2,315 SGD
$1,806 USD
View
B+
Retailer 22
-
$2,420 SGD
$1,888 USD
View
B+
Retailer 23
-
$2,451 SGD
£1,506 GBP
View
B
Retailer 24
-
$3,691 SGD
$2,880 USD
View
Most Expensive
B
Brilliant Earth
21017166A · Oct 29
$5,255 SGD
$4,100 USD
View
24 more retailers have this diamond
Prices start from $600 SGDSave up to $4,655 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
1.87ct Round
$600 SGD