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Marquise|Natural|GIA

0.30ct J SI2 Marquise Natural Diamond

EX • J/SI2 • GIA 2554550321

Certificate GIA 2554550321

Diamond specifications and retailer prices

From $273 NZD
₹14,620 INR
As of November 2, 2026
Save $635 NZD (70%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $907 NZD at MOH London · As of November 2, 2026
View at MOH London

About this 0.3ct natural marquise diamond

This 0.3ct natural marquise sits in the sub-half-carat band, graded J colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2554550321. Listed at 9 retailers as of November 2, 2026, with prices from $273 to $907, a $635 spread on the same certified stone. MOH London lists it at $907. 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
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 2554550321
Dimensions6.51 × 3.54 × 2.22 mm
L/W Ratio1.84
Girdle conditionThick to Very Thick
Key to symbols
Crystal
Top View
6.51 mm3.54 mm0.30 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 2554550321
Side View
Table 63.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 62.8%

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: Nov 2
Current: $907 NZD|Low: $272 NZD|High: $1,059 NZD|Avg: $588 NZD|-13.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 2, 2026
Retailer 2$273 NZD
Retailer 5$341 NZD
Retailer 6$422 NZD
Retailer 4$476 NZD
Retailer 3$846 NZD
MOH London$907 NZD

46 data points across 6 retailers

9 retailers$273 NZD to $907 NZD

A
Cheapest Retailer
-
$273 NZD
₹14,620 INR
A
Retailer 2
-
$341 NZD
HK$1,500 HKD
View
Retailer 3
-
$422 NZD
SGD 321 SGD
View
Price last confirmed 8 days ago
Retailer 4
-
$453 NZD
$255 USD
View
Price last confirmed 26 days ago
Retailer 5
-
$475 NZD
$267 USD
View
Price last confirmed 32 days ago
B+
Retailer 6
-
$476 NZD
$268 USD
View
B
Retailer 7
-
$846 NZD
£375 GBP
View
Most Expensive
B
MOH London
17AE8BCF9 · Nov 2
$907 NZD
£402 GBP
View
7 more retailers have this diamond
Prices start from $273 NZDSave up to $635 NZD

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 Marquise
$273 NZD