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Round|Natural|GIA

0.31ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 1525227984

Certificate GIA 1525227984

Diamond specifications and retailer prices

From $228 SGD
₹17,002 INR
As of October 31, 2026
Save $1,264 SGD (85%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $1,492 SGD at NZ Jewellers · As of October 30, 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 I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1525227984. Listed at 17 retailers as of October 30, 2026, with prices from $228 to $1,492, a $1,264 spread on the same certified stone. NZ Jewellers lists it at $1,492. 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
I
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 1525227984
Dimensions4.35 × 4.33 × 2.71 mm
L/W Ratio1.00
Star length50%
Lower girdle80%
Girdle conditionFaceted
Key to symbols
Feather, Crystal, Knot
Top View
4.35 mm4.33 mm0.31 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1525227984
Side View
Table 58.0%Crown 35°Girdle: MediumPavilion 41.4°Culet: NoneDepth 62.4%

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: Oct 31
Current: $1,492 SGD|Low: $228 SGD|High: $1,562 SGD|Avg: $515 SGD|-4.5%
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
Retailer 15
Retailer 16
October 31, 2026
Retailer 9$228 SGD
Retailer 5$278 SGD
Retailer 8$322 SGD
Retailer 2$326 SGD
Retailer 6$353 SGD
Retailer 16$357 SGD
Retailer 4$369 SGD
Retailer 7$432 SGD
Retailer 12$438 SGD
Retailer 10$489 SGD
Retailer 15$496 SGD
Retailer 11$508 SGD
Retailer 14$511 SGD
Retailer 13$642 SGD
Retailer 3$768 SGD
NZ Jewellers$1,492 SGD

22 data points across 16 retailers

17 retailers$228 SGD to $1,492 SGD

A
Cheapest Retailer
-
$228 SGD
₹17,002 INR
A
Retailer 2
-
$278 SGD
HK$1,700 HKD
View
Retailer 3
-
$322 SGD
$252 USD
View
Price last confirmed 7 days ago
A
Retailer 4
-
$326 SGD
$255 USD
View
A
Retailer 5
-
$353 SGD
View
A
Retailer 6
-
$357 SGD
$279 USD
View
A
Retailer 7
-
$369 SGD
$289 USD
View
A
Retailer 8
-
$432 SGD
$338 USD
View
A
Retailer 9
-
$438 SGD
$343 USD
View
A
Retailer 10
-
$489 SGD
$383 USD
View
A
Retailer 11
-
$496 SGD
$388 USD
View
B+
Retailer 12
-
$508 SGD
£313 GBP
View
B+
Retailer 13
-
$511 SGD
ZAR 6,452 ZAR
View
Retailer 14
-
$562 SGD
A$676 AUD
View
Price last confirmed 28 days ago
B+
Retailer 15
-
$642 SGD
€478 EUR
View
B
Retailer 16
-
$768 SGD
£473 GBP
View
Most Expensive
B
NZ Jewellers
19204791-518a-418e-9a0e-e222d8f3a2dd · Oct 30
$1,492 SGD
$1,167 USD
View
16 more retailers have this diamond
Prices start from $228 SGDSave up to $1,264 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
0.31ct Round
$228 SGD