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Round|Lab Grown|GIA

0.30ct G SI2 Round Lab Grown Diamond

EX • G/SI2 • GIA 1179005951

Certificate GIA 1179005951

Diamond specifications and retailer prices

From €222 EUR
₹23,651 INR
As of October 31, 2026
Save €415 EUR (65%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: €637 EUR at Moon Ocean · As of November 1, 2026
View at Moon Ocean

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 1179005951. Listed at 3 retailers as of October 31, 2026, with prices from €222 to €637, a €415 spread on the same certified stone. Moon Ocean lists it at €637. 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
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabGIA
CertificateGIA 1179005951
Dimensions4.35 × 4.33 × 2.67 mm
L/W Ratio1.00
Top View
4.35 mm4.33 mm0.30 ctG / SI2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1179005951
Side View
Table 57.0%CrownGirdle: THN-MEDPavilionCulet: NoneDepth 61.6%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: €637 EUR|Low: €222 EUR|High: €637 EUR|Avg: €419 EUR
Moon Ocean
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 1, 2026
Retailer 3€222 EUR
Retailer 2€396 EUR
Retailer 4€472 EUR
Retailer 5€476 EUR
Moon Ocean€637 EUR

2 data points across 5 retailers

3 retailers€222 EUR to €637 EUR

B+
Cheapest Retailer
-
€222 EUR
₹23,651 INR
B
Retailer 2
-
€396 EUR
£348 GBP
View
Most Expensive
B
Moon Ocean
NVN-2D6443B4B-951 · Nov 1
€637 EUR
£560 GBP
View
2 more retailers have this diamond
Prices start from €222 EURSave up to €415 EUR

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
€222 EUR