Round|Natural|GIA

0.37ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 1508866992

Certificate GIA 1508866992

Diamond specifications and retailer prices

From $297 SGD
₹22,126 INR
As of November 1, 2026
Save $1,311 SGD (82%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $1,608 SGD at NZ Jewellers · As of October 30, 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 SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1508866992. Listed at 18 retailers as of October 30, 2026, with prices from $297 to $1,608, a $1,311 spread on the same certified stone. NZ Jewellers lists it at $1,608. 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
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32°
Pavilion angle41.6°
OriginNatural
Grading LabGIA
CertificateGIA 1508866992
Dimensions4.67 × 4.66 × 2.83 mm
L/W Ratio1.00
Star length55%
Lower girdle75%
Girdle conditionFaceted
Key to symbols
Crystal, Feather, Cloud
Top View
4.67 mm4.66 mm0.37 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1508866992
Side View
Table 59.0%Crown 32°Girdle: MED-STKPavilion 41.6°Culet: NoneDepth 60.6%

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 1
Current: $297 SGD|Low: $296 SGD|High: $981 SGD|Avg: $579 SGD|-3.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 1, 2026
Retailer 1$297 SGD
Retailer 6$435 SGD
Retailer 9$451 SGD
Retailer 8$468 SGD
Retailer 3$538 SGD
Retailer 5$651 SGD
Retailer 7$672 SGD
Retailer 4$697 SGD
Retailer 2$969 SGD

38 data points across 9 retailers

18 retailers$297 SGD to $1,608 SGD

A
Cheapest Retailer
-
$297 SGD
₹22,126 INR
A
Retailer 2
-
$360 SGD
HK$2,200 HKD
View
A
Retailer 3
-
$398 SGD
$311 USD
View
A
Retailer 4
-
$419 SGD
$328 USD
View
A
Retailer 5
-
$435 SGD
$340 USD
View
A
Retailer 6
-
$442 SGD
View
A
Retailer 7
-
$453 SGD
$354 USD
View
A
Retailer 8
-
$464 SGD
A$559 AUD
View
A
Retailer 9
-
$468 SGD
$366 USD
View
A
Retailer 10
-
$538 SGD
£332 GBP
View
B+
Retailer 11
-
$565 SGD
$442 USD
View
B+
Retailer 12
-
$587 SGD
$459 USD
View
B+
Retailer 13
-
$609 SGD
$476 USD
View
B+
Retailer 14
-
$651 SGD
ZAR 8,222 ZAR
View
Retailer 15
-
$672 SGD
A$809 AUD
View
Price last confirmed 28 days ago
B+
Retailer 16
-
$697 SGD
€519 EUR
View
B
Retailer 17
-
$969 SGD
£597 GBP
View
Most Expensive
B
NZ Jewellers
de85f1ec-639f-4e03-a9f0-9e2fcf3c4c28 · Oct 30
$1,608 SGD
$1,258 USD
View
17 more retailers have this diamond
Prices start from $297 SGDSave up to $1,311 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
$297 SGD