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Round|Lab Grown|GIA

0.30ct G SI2 Round Lab Grown Diamond

EX • G/SI2 • GIA 6531176791

Certificate GIA 6531176791

Diamond specifications and retailer prices

From $1,027 NZD
£456 GBP
As of October 30, 2026
Save $1,562 NZD (60%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $2,589 NZD at MOH London · As of October 29, 2026
View at MOH London

About this 0.3ct lab-grown round diamond

This 0.3ct lab-grown round sits in the sub-half-carat band, graded G colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6531176791. Listed at 5 retailers as of October 29, 2026, with prices from $1,027 to $2,589, a $1,562 spread on the same certified stone. MOH London lists it at $2,589. 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
G
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceFaint
OriginLab Grown
Grading LabGIA
CertificateGIA 6531176791
Dimensions4.29 × 4.32 × 2.67 mm
L/W Ratio1.01
Culet sizeNone
Top View
4.29 mm4.32 mm0.30 ctG / SI2
OriginLab Grown
CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6531176791
Side View
Table 60.0%CrownGirdlePavilionCulet: NoneDepth 62.0%

Caratlytics Score

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B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $2,589 NZD|Low: $571 NZD|High: $2,691 NZD|Avg: $1,242 NZD|-2.8%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 30, 2026
Retailer 6$571 NZD
Retailer 2$1,027 NZD
Retailer 5$1,056 NZD
Retailer 4$1,152 NZD
Retailer 3$1,190 NZD
MOH London$2,589 NZD

35 data points across 6 retailers

5 retailers$1,027 NZD to $2,589 NZD

B
Cheapest Retailer
-
$1,027 NZD
£456 GBP
B
Retailer 2
-
$1,056 NZD
$595 USD
View
B
Retailer 3
-
$1,152 NZD
$649 USD
View
B
Retailer 4
-
$1,190 NZD
€639 EUR
View
Most Expensive
B
MOH London
6531176791 · Oct 29
$2,589 NZD
£1,149 GBP
View
4 more retailers have this diamond
Prices start from $1,027 NZDSave up to $1,562 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.

B
0.30ct Round
$1,027 NZD