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Round|Lab Grown|IGI

1.55ct D SI1 Round Lab Grown Diamond

ID • D/SI1 • IGI LG772678680

Shape and cutting style on the report: Round brilliant

Certificate IGI LG772678680

Diamond specifications and retailer prices

From $252 SGD
As of November 1, 2026
Save $2,162 SGD (90%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $2,414 SGD at Do Amore Diamonds · As of November 2, 2026
View at Do Amore Diamonds

About this 1.55ct lab-grown round diamond

This 1.55ct lab-grown round sits in the one-and-a-half to two carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG772678680 or 772678680. Listed at 15 retailers as of November 1, 2026, with prices from $252 to $2,414, a $2,162 spread on the same certified stone. Do Amore Diamonds lists it at $2,414. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.55
Carat
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG772678680
Dimensions7.42 × 7.46 × 0.00 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.42 mm7.46 mm1.55 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG772678680
Side View
Table 58.0%Crown 34.5°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 60.9%

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: Nov 1
Current: $2,414 SGD|Low: $241 SGD|High: $2,414 SGD|Avg: $927 SGD
Do Amore Diamonds
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 2, 2026
Retailer 12$252 SGD
Retailer 3$293 SGD
Retailer 14$422 SGD
Retailer 7$466 SGD
Retailer 9$557 SGD
Retailer 5$595 SGD
Retailer 10$720 SGD
Retailer 8$907 SGD
Retailer 11$952 SGD
Retailer 15$1,026 SGD
Retailer 4$1,107 SGD
Retailer 2$1,379 SGD
Retailer 6$1,381 SGD
Retailer 13$1,456 SGD
Do Amore Diamonds$2,414 SGD

25 data points across 15 retailers

15 retailers$252 SGD to $2,414 SGD

A
Cheapest Retailer
-
$252 SGD
A
Retailer 2
-
$293 SGD
View
B+
Retailer 3
-
$422 SGD
View
A
Retailer 4
-
$466 SGD
View
A
Retailer 5
-
$557 SGD
View
A
Retailer 6
-
$595 SGD
View
B+
Retailer 7
-
$720 SGD
View
B+
Retailer 8
-
$907 SGD
View
B+
Retailer 9
-
$952 SGD
View
B+
Retailer 10
-
$1,026 SGD
View
B
Retailer 11
-
$1,107 SGD
View
B
Retailer 12
-
$1,379 SGD
View
B
Retailer 13
-
$1,381 SGD
View
B
Retailer 14
-
$1,456 SGD
View
Most Expensive
B
Do Amore Diamonds
27-F2486157E · Nov 2
$2,414 SGD
$1,890 USD
View
14 more retailers have this diamond
Prices start from $252 SGDSave up to $2,162 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
1.55ct Round
$252 SGD