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0.30ct G SI2 Round Lab Grown Diamond

EX • G/SI2 • GIA 1179005951

Certificate GIA 1179005951

Diamond specifications and retailer prices

From $354 AUD
₹23,651 INR
As of October 31, 2026
Save $275 AUD (44%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $629 AUD at 77 Diamonds · As of October 31, 2026
View at 77 Diamonds

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 2 retailers as of October 31, 2026, with prices from $354 to $629, a $275 spread on the same certified stone. 77 Diamonds lists it at $629. 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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: $629 AUD|Low: $354 AUD|High: $759 AUD|Avg: $717 AUD
77 Diamonds
Retailer 2
Retailer 3
Retailer 4
October 31, 2026
Retailer 2$354 AUD
77 Diamonds$629 AUD
Retailer 3$750 AUD
Retailer 4$757 AUD

10 data points across 4 retailers

2 retailers$354 AUD to $629 AUD

B+
Cheapest Retailer
-
$354 AUD
₹23,651 INR
Most Expensive
B
77 Diamonds
RBPUIFSRKBUHUGS · Oct 31
$629 AUD
£348 GBP
View
1 more retailer has this diamond
Prices start from $354 AUDSave up to $275 AUD

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
$354 AUD