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Round|Lab Grown|GIA

1.55ct D SI2 Round Lab Grown Diamond

EX • D/SI2 • GIA 3455059690

Certificate GIA 3455059690

Diamond specifications and retailer prices

From $819 SGD
£504 GBP
As of October 30, 2026
Save $1,229 SGD (60%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $2,047 SGD at MOH London · As of October 29, 2026
View at MOH London

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 SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 3455059690. Listed at 5 retailers as of October 29, 2026, with prices from $819 to $2,047, a $1,229 spread on the same certified stone. MOH London lists it at $2,047. 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
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle41°
OriginLab Grown
Grading LabGIA
CertificateGIA 3455059690
Dimensions7.38 × 7.40 × 4.59 mm
L/W Ratio1.00
Culet sizeNone
Top View
7.38 mm7.40 mm1.55 ctD / SI2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 3455059690
Side View
Table 57.0%Crown 35°Girdle: Slightly ThickPavilion 41°Culet: NoneDepth 62.1%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $2,047 SGD|Low: $817 SGD|High: $2,595 SGD|Avg: $1,657 SGD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 30, 2026
Retailer 2$819 SGD
Retailer 5$823 SGD
Retailer 3$839 SGD
Retailer 4$928 SGD
MOH London$2,047 SGD
Retailer 7$2,467 SGD
Retailer 6$2,595 SGD
Retailer 8$2,595 SGD

3 data points across 8 retailers

5 retailers$819 SGD to $2,047 SGD

B+
Cheapest Retailer
-
$819 SGD
£504 GBP
B+
Retailer 2
-
$823 SGD
$644 USD
View
B+
Retailer 3
-
$839 SGD
$656 USD
View
B+
Retailer 4
-
$928 SGD
$726 USD
View
Most Expensive
B
MOH London
3455059690 · Oct 29
$2,047 SGD
£1,261 GBP
View
4 more retailers have this diamond
Prices start from $819 SGDSave up to $1,229 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.

B+
1.55ct Round
$819 SGD