Round|Natural|GIA

0.37ct D SI1 Round Natural Diamond

EX • D/SI1 • GIA 2488578138

Certificate GIA 2488578138

Diamond specifications and retailer prices

From $341 USD
₹32,502 INR
As of October 30, 2026
Save $1,426 USD (81%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $1,767 USD 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 D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2488578138. Listed at 15 retailers as of October 30, 2026, with prices from $341 to $1,767, a $1,426 spread on the same certified stone. NZ Jewellers lists it at $1,767. 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 angle34.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 2488578138
Dimensions4.57 × 4.60 × 2.87 mm
L/W Ratio1.01
Top View
4.57 mm4.60 mm0.37 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2488578138
Side View
Table 56.0%Crown 34.5°Girdle: UNDPavilion 40.8°Culet: NoneDepth 62.5%

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 30
Current: $638 USD|Low: $339 USD|High: $1,078 USD|Avg: $648 USD|+2.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 30, 2026
Retailer 3$341 USD
Retailer 7$509 USD
Retailer 4$571 USD
Retailer 1$638 USD
Retailer 2$715 USD
Retailer 6$738 USD
Retailer 5$1,067 USD

36 data points across 7 retailers

15 retailers$341 USD to $1,767 USD

A
Cheapest Retailer
-
$341 USD
₹32,502 INR
A
Retailer 2
-
$436 USD
View
A
Retailer 3
-
$461 USD
View
A
Retailer 4
-
$497 USD
View
A
Retailer 5
-
$497 USD
View
A
Retailer 6
-
$532 USD
View
B+
Retailer 7
-
$571 USD
£450 GBP
View
B+
Retailer 8
-
$592 USD
View
B+
Retailer 9
-
$638 USD
€608 EUR
View
B+
Retailer 10
-
$653 USD
View
B+
Retailer 11
-
$715 USD
ZAR 11,549 ZAR
View
Retailer 12
-
$738 USD
A$1,136 AUD
View
Price last confirmed 27 days ago
B
Retailer 13
-
$1,067 USD
£840 GBP
View
B
Retailer 14
-
$1,073 USD
£845 GBP
View
Most Expensive
B
NZ Jewellers
c648305b-a1a0-4ce6-b967-58d5c35fc278 · Oct 30
$1,767 USD
View
14 more retailers have this diamond
Prices start from $341 USDSave up to $1,426 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
$341 USD