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Round|Natural|GIA

0.37ct D SI1 Round Natural Diamond

EX • D/SI1 • GIA 6555425821

Certificate GIA 6555425821

Diamond specifications and retailer prices

From $314 USD
₹29,895 INR
As of October 27, 2026
Save $1,334 USD (81%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $1,648 USD 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 D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6555425821. Listed at 15 retailers as of October 26, 2026, with prices from $314 to $1,648, a $1,334 spread on the same certified stone. NZ Jewellers lists it at $1,648. 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
D
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle36.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 6555425821
Dimensions4.57 × 4.59 × 2.88 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizeNone
Top View
4.57 mm4.59 mm0.37 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6555425821
Side View
Table 56.0%Crown 36.5°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.8%

Caratlytics Score

How it works →
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: Oct 27
Current: $1,648 USD|Low: $310 USD|High: $1,680 USD|Avg: $622 USD|-1.9%
NZ Jewellers
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
October 28, 2026
Retailer 7$314 USD
Retailer 6$371 USD
Retailer 12$406 USD
Retailer 5$430 USD
Retailer 4$444 USD
Retailer 14$454 USD
Retailer 3$463 USD
Retailer 13$496 USD
Retailer 2$534 USD
Retailer 8$589 USD
Retailer 11$697 USD
Retailer 9$703 USD
Retailer 10$994 USD
NZ Jewellers$1,648 USD

31 data points across 14 retailers

15 retailers$314 USD to $1,648 USD

A
Cheapest Retailer
-
$314 USD
₹29,895 INR
A
Retailer 2
-
$371 USD
HK$2,900 HKD
View
Retailer 3
-
$406 USD
View
Price last confirmed 7 days ago
A
Retailer 4
-
$430 USD
View
A
Retailer 5
-
$444 USD
SGD 600 SGD
View
A
Retailer 6
-
$449 USD
A$690 AUD
View
A
Retailer 7
-
$454 USD
SGD 614 SGD
View
A
Retailer 8
-
$463 USD
View
A
Retailer 9
-
$496 USD
View
A
Retailer 10
-
$534 USD
£420 GBP
View
A
Retailer 11
-
$589 USD
View
B+
Retailer 12
-
$697 USD
€664 EUR
View
B+
Retailer 13
-
$703 USD
View
B
Retailer 14
-
$994 USD
£783 GBP
View
Most Expensive
B
NZ Jewellers
137ca08d-26f4-424b-9e25-385695b9ae76 · Oct 26
$1,648 USD
View
14 more retailers have this diamond
Prices start from $314 USDSave up to $1,334 USD

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
$314 USD