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Round|Natural|GIA

0.37ct H SI1 Round Natural Diamond

EX • H/SI1 • GIA 6555418322

Certificate GIA 6555418322

Diamond specifications and retailer prices

From $204 SGD
₹15,194 INR
As of November 1, 2026
Save $452 SGD (69%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $1,465 SGD at NZ Jewellers · As of October 3, 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 H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6555418322. Listed at 16 retailers as of November 1, 2026, with a 222% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
H
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle33°
Pavilion angle41.8°
OriginNatural
Grading LabGIA
CertificateGIA 6555418322
Dimensions4.63 × 4.65 × 2.84 mm
L/W Ratio1.00
Culet sizeNone
Key to symbols
Cloud
Top View
4.63 mm4.65 mm0.37 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6555418322
Side View
Table 59.0%Crown 33°Girdle: MED-STKPavilion 41.8°Culet: NoneDepth 61.2%

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: $510 SGD|Low: $204 SGD|High: $727 SGD|Avg: $442 SGD|-6.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 1, 2026
Retailer 4$204 SGD
Retailer 3$262 SGD
Retailer 2$325 SGD
Retailer 11$409 SGD
Retailer 7$427 SGD
Retailer 9$437 SGD
Retailer 5$451 SGD
Retailer 10$463 SGD
Retailer 1$510 SGD
Retailer 8$554 SGD
Retailer 6$656 SGD

27 data points across 11 retailers

16 retailers$204 SGD to $656 SGD

A
Cheapest Retailer
-
$204 SGD
₹15,194 INR
A
Retailer 2
-
$262 SGD
HK$1,600 HKD
View
Retailer 3
-
$323 SGD
$253 USD
View
Price last confirmed 31 days ago
A
Retailer 4
-
$325 SGD
View
Retailer 5
-
$364 SGD
$285 USD
View
Price last confirmed 33 days ago
A
Retailer 6
-
$409 SGD
£252 GBP
View
A
Retailer 7
-
$427 SGD
£263 GBP
View
Retailer 8
-
$436 SGD
$341 USD
View
Price last confirmed 30 days ago
A
Retailer 9
-
$437 SGD
$342 USD
View
A
Retailer 10
-
$451 SGD
$352 USD
View
A
Retailer 11
-
$463 SGD
ZAR 5,845 ZAR
View
A
Retailer 12
-
$510 SGD
€380 EUR
View
Retailer 13
-
$518 SGD
A$624 AUD
View
Price last confirmed 28 days ago
A
Retailer 14
-
$554 SGD
$433 USD
View
B+
Retailer 15
-
$656 SGD
£404 GBP
View
Most Expensive
NZ Jewellers
027e8b11-d63c-4f8c-b3d1-1d2fb6cd7704 · Oct 3
$1,465 SGD
$1,146 USD
View
Price last confirmed 29 days ago
15 more retailers have this diamond
Prices start from $204 SGDSave up to $452 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
$204 SGD