Round|Natural|GIA

0.31ct G SI1 Round Natural Diamond

EX • G/SI1 • GIA 2564189392

Certificate GIA 2564189392

Diamond specifications and retailer prices

From $248 USD
₹23,646 INR
As of November 1, 2026
Save $538 USD (68%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $1,521 USD at NZ Jewellers · As of September 24, 2026
View at NZ Jewellers

About this 0.31ct natural round diamond

This 0.31ct natural round sits in the sub-half-carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2564189392. Listed at 18 retailers as of November 1, 2026, with a 217% 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

0.31
Carat
G
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 2564189392
Dimensions4.35 × 4.32 × 2.65 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Twinning Wisp, Feather
Top View
4.35 mm4.32 mm0.31 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2564189392
Side View
Table 60.0%Crown 35.5°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 61.2%

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: Nov 1
Current: $438 USD|Low: $248 USD|High: $874 USD|Avg: $461 USD|-5.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 2, 2026
Retailer 6$248 USD
Retailer 4$294 USD
Retailer 12$322 USD
Retailer 3$369 USD
Retailer 9$380 USD
Retailer 10$386 USD
Retailer 1$438 USD
Retailer 7$471 USD
Retailer 11$495 USD
Retailer 2$535 USD
Retailer 5$572 USD
Retailer 8$786 USD

20 data points across 12 retailers

18 retailers$248 USD to $786 USD

A
Cheapest Retailer
-
$248 USD
₹23,646 INR
A
Retailer 2
-
$294 USD
HK$2,300 HKD
View
A
Retailer 3
-
$322 USD
View
A
Retailer 4
-
$369 USD
SGD 499 SGD
View
A
Retailer 5
-
$380 USD
A$585 AUD
View
A
Retailer 6
-
$386 USD
View
Retailer 7
-
$388 USD
View
Price last confirmed 32 days ago
Retailer 8
-
$421 USD
View
Price last confirmed 33 days ago
A
Retailer 9
-
$438 USD
£345 GBP
View
Retailer 10
-
$451 USD
View
Price last confirmed 34 days ago
B+
Retailer 11
-
$471 USD
View
Retailer 12
-
$493 USD
View
Price last confirmed 55 days ago
B+
Retailer 13
-
$495 USD
View
B+
Retailer 14
-
$535 USD
ZAR 8,645 ZAR
View
B+
Retailer 15
-
$572 USD
€545 EUR
View
Retailer 16
-
$622 USD
A$957 AUD
View
Price last confirmed 28 days ago
B
Retailer 17
-
$786 USD
£619 GBP
View
Most Expensive
NZ Jewellers
f6b74ec7-8602-45db-a017-d75c2cee1f1f · Sep 24
$1,521 USD
View
Price under review
17 more retailers have this diamond
Prices start from $248 USDSave up to $538 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
0.31ct Round
$248 USD