CaratHunter
Plans
Round|Lab Grown|GIA

1.55ct D SI1 Round Lab Grown Diamond

EX • D/SI1 • GIA 2474519311

Certificate GIA 2474519311

Diamond specifications and retailer prices

From $423 SGD
As of November 5, 2026
Save $1,672 SGD (80%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $2,095 SGD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

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 GIA 2474519311. Listed at 16 retailers as of October 31, 2026, with prices from $423 to $2,095, a $1,672 spread on the same certified stone. Brilliant Earth lists it at $2,095. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle41°
OriginLab Grown
Grading LabGIA
CertificateGIA 2474519311
Dimensions7.39 × 7.35 × 4.60 mm
L/W Ratio1.01
Star length50%
Lower girdle75%
Top View
7.39 mm7.35 mm1.55 ctD / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2474519311
Side View
Table 57.0%Crown 35°Girdle: Slightly ThickPavilion 41°Culet: NoneDepth 62.5%

Caratlytics Score

How it works →
A
Excellent
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: Nov 5
Current: $2,095 SGD|Low: $413 SGD|High: $2,164 SGD|Avg: $970 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
November 6, 2026
Retailer 3$423 SGD
Retailer 8$482 SGD
Retailer 14$490 SGD
Retailer 15$524 SGD
Retailer 6$530 SGD
Retailer 4$705 SGD
Retailer 13$722 SGD
Retailer 16$734 SGD
Retailer 2$812 SGD
Retailer 11$839 SGD
Retailer 5$903 SGD
Retailer 7$955 SGD
Retailer 9$1,537 SGD
Retailer 12$1,683 SGD
Retailer 10$2,092 SGD
Brilliant Earth$2,095 SGD

45 data points across 16 retailers

16 retailers$423 SGD to $2,095 SGD

A
Cheapest Retailer
-
$423 SGD
A
Retailer 2
-
$482 SGD
View
Final sale: no returns
A
Retailer 3
-
$490 SGD
View
A
Retailer 4
-
$524 SGD
View
Retailer 5
-
$530 SGD
View
Price last confirmed 12 days ago
A
Retailer 6
-
$705 SGD
View
A
Retailer 7
-
$722 SGD
View
A
Retailer 8
-
$734 SGD
View
B+
Retailer 9
-
$812 SGD
View
B+
Retailer 10
-
$839 SGD
View
B+
Retailer 11
-
$903 SGD
View
B+
Retailer 12
-
$955 SGD
View
B
Retailer 13
-
$1,537 SGD
View
B
Retailer 14
-
$1,683 SGD
View
B
Retailer 15
-
$2,092 SGD
View
Most Expensive
B
Brilliant Earth
13393592A · Oct 31
$2,095 SGD
$1,640 USD
View
15 more retailers have this diamond
Prices start from $423 SGDSave up to $1,672 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
$423 SGD