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Round|Natural|GIA

0.30ct J SI1 Round Natural Diamond

EX • J/SI1 • GIA 5566546432

Certificate GIA 5566546432

Diamond specifications and retailer prices

From $210 SGD
₹15,632 INR
As of October 30, 2026
Save $522 SGD (71%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $732 SGD at MOH London · As of October 26, 2026
View at MOH London

About this 0.3ct natural round diamond

This 0.3ct natural round sits in the sub-half-carat band, graded J colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 5566546432. Listed at 8 retailers as of October 26, 2026, with prices from $210 to $732, a $522 spread on the same certified stone. MOH London lists it at $732. 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

0.30
Carat
J
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle34°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 5566546432
Dimensions4.31 × 4.33 × 2.66 mm
L/W Ratio1.00
Star length50%
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Feather
Top View
4.31 mm4.33 mm0.30 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 5566546432
Side View
Table 58.0%Crown 34°Girdle: MED-STKPavilion 41.4°Culet: NoneDepth 61.6%

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 30
Current: $732 SGD|Low: $210 SGD|High: $739 SGD|Avg: $421 SGD|-0.9%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 31, 2026
Retailer 3$210 SGD
Retailer 6$262 SGD
Retailer 8$309 SGD
Retailer 5$371 SGD
Retailer 7$457 SGD
Retailer 2$464 SGD
Retailer 4$524 SGD
MOH London$732 SGD

23 data points across 8 retailers

8 retailers$210 SGD to $732 SGD

A
Cheapest Retailer
-
$210 SGD
₹15,632 INR
A
Retailer 2
-
$262 SGD
HK$1,600 HKD
View
A
Retailer 3
-
$309 SGD
$242 USD
View
A
Retailer 4
-
$371 SGD
A$446 AUD
View
B+
Retailer 5
-
$457 SGD
$357 USD
View
B+
Retailer 6
-
$464 SGD
£286 GBP
View
B
Retailer 7
-
$524 SGD
€390 EUR
View
Most Expensive
B
MOH London
ABF5CD583 · Oct 26
$732 SGD
£451 GBP
View
7 more retailers have this diamond
Prices start from $210 SGDSave up to $522 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
0.30ct Round
$210 SGD