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Round|Natural|GIA

0.37ct I SI2 Round Natural Diamond

EX • I/SI2 • GIA 2566400203

Certificate GIA 2566400203

Diamond specifications and retailer prices

From $385 SGD
$301 USD
As of October 27, 2026
Save $1,115 SGD (74%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $1,500 SGD at NZ Jewellers · As of October 26, 2026
View at NZ Jewellers

About this 0.37ct natural round diamond

This 0.37ct natural round sits in the sub-half-carat band, graded I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2566400203. Listed at 12 retailers as of October 26, 2026, with prices from $385 to $1,500, a $1,115 spread on the same certified stone. NZ Jewellers lists it at $1,500. 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

0.37
Carat
I
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceFaint
Crown angle36.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 2566400203
Dimensions4.57 × 4.61 × 2.86 mm
L/W Ratio1.01
Key to symbols
Crystal, Feather
Top View
4.57 mm4.61 mm0.37 ctI / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2566400203
Side View
Table 58.0%Crown 36.5°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.4%

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: Oct 27
Current: $1,500 SGD|Low: $385 SGD|High: $1,500 SGD|Avg: $633 SGD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 28, 2026
Retailer 7$385 SGD
Retailer 10$391 SGD
Retailer 12$403 SGD
Retailer 8$422 SGD
Retailer 9$436 SGD
Retailer 6$497 SGD
Retailer 11$527 SGD
Retailer 4$644 SGD
Retailer 2$738 SGD
Retailer 5$809 SGD
Retailer 3$908 SGD
NZ Jewellers$1,500 SGD

25 data points across 12 retailers

12 retailers$385 SGD to $1,500 SGD

A
Cheapest Retailer
-
$385 SGD
$301 USD
A
Retailer 2
-
$391 SGD
$306 USD
View
Retailer 3
-
$403 SGD
$315 USD
View
Price last confirmed 10 days ago
A
Retailer 4
-
$422 SGD
$330 USD
View
A
Retailer 5
-
$436 SGD
$341 USD
View
A
Retailer 6
-
$497 SGD
£306 GBP
View
A
Retailer 7
-
$527 SGD
$412 USD
View
B+
Retailer 8
-
$644 SGD
$504 USD
View
B+
Retailer 9
-
$738 SGD
€550 EUR
View
B+
Retailer 10
-
$809 SGD
£498 GBP
View
Retailer 11
-
$908 SGD
£559 GBP
View
Price last confirmed 14 days ago
Most Expensive
B
NZ Jewellers
5338cdf2-69da-4b77-8b26-a82cba24c11f · Oct 26
$1,500 SGD
$1,173 USD
View
11 more retailers have this diamond
Prices start from $385 SGDSave up to $1,115 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
0.37ct Round
$385 SGD