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Round|Natural|GIA

0.31ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 7558653539

Certificate GIA 7558653539

Diamond specifications and retailer prices

From $231 SGD
₹17,192 INR
As of October 31, 2026
Save $527 SGD (70%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $1,607 SGD at NZ Jewellers · As of September 28, 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 7558653539. Listed at 17 retailers as of October 29, 2026, with a 229% 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
I
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle35.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 7558653539
Dimensions4.34 × 4.35 × 2.69 mm
L/W Ratio1.00
Culet sizeNone
Key to symbols
Crystal
Top View
4.34 mm4.35 mm0.31 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 7558653539
Side View
Table 58.0%Crown 35.5°Girdle: MED-STKPavilion 41°Culet: NoneDepth 61.8%

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 31
Current: $393 SGD|Low: $231 SGD|High: $813 SGD|Avg: $450 SGD|-0.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 31, 2026
Retailer 6$231 SGD
Retailer 2$278 SGD
Retailer 4$318 SGD
Retailer 3$353 SGD
Retailer 5$387 SGD
Retailer 1$393 SGD
Retailer 7$485 SGD
Retailer 10$493 SGD
Retailer 8$501 SGD
Retailer 9$506 SGD
Retailer 12$565 SGD
Retailer 11$758 SGD

24 data points across 12 retailers

17 retailers$231 SGD to $758 SGD

A
Cheapest Retailer
-
$231 SGD
₹17,192 INR
A
Retailer 2
-
$278 SGD
HK$1,700 HKD
View
A
Retailer 3
-
$318 SGD
$249 USD
View
Retailer 4
-
$352 SGD
$275 USD
View
Price last confirmed 30 days ago
A
Retailer 5
-
$353 SGD
View
A
Retailer 6
-
$387 SGD
$303 USD
View
A
Retailer 7
-
$393 SGD
A$473 AUD
View
Retailer 8
-
$396 SGD
$310 USD
View
Price last confirmed 32 days ago
Retailer 9
-
$478 SGD
$374 USD
View
Price last confirmed 32 days ago
A
Retailer 10
-
$485 SGD
$379 USD
View
A
Retailer 11
-
$493 SGD
$386 USD
View
B+
Retailer 12
-
$501 SGD
£309 GBP
View
B+
Retailer 13
-
$506 SGD
ZAR 6,398 ZAR
View
Retailer 14
-
$563 SGD
A$678 AUD
View
Price last confirmed 27 days ago
B+
Retailer 15
-
$565 SGD
€421 EUR
View
B
Retailer 16
-
$758 SGD
£467 GBP
View
Most Expensive
NZ Jewellers
cca0e59c-1fa5-47bb-b1e8-9a60c2a11332 · Sep 28
$1,607 SGD
$1,257 USD
View
Price last confirmed 33 days ago
16 more retailers have this diamond
Prices start from $231 SGDSave up to $527 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
$231 SGD