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Round|Lab Grown|GCAL

1.02ct I SI1 Round Lab Grown Diamond

EX • I/SI1 • GCAL 283540071

Shape and cutting style on the report: Round brilliant

Certificate GCAL 283540071

Diamond specifications and retailer prices

From $508 AUD
$357 USD
As of November 1, 2026
Save $936 AUD (65%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $1,445 AUD at MOH London · As of November 1, 2026
View at MOH London

About this 1.02ct lab-grown round diamond

This 1.02ct lab-grown round sits in the classic one-carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GCAL 283540071. Listed at 4 retailers as of November 1, 2026, with prices from $508 to $1,445, a $936 spread on the same certified stone. MOH London lists it at $1,445. 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

1.02
Carat
I
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle34°
Pavilion angle40.8°
OriginLab Grown
Grading LabGCAL
CertificateGCAL 283540071
Dimensions6.50 × 6.47 × 3.95 mm
L/W Ratio1.00
Culet sizeNone
Top View
6.50 mm6.47 mm1.02 ctI / SI1
OriginLab Grown
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGCAL 283540071
Side View
Table 58.0%Crown 34°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 61.0%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $1,445 AUD|Low: $265 AUD|High: $1,463 AUD|Avg: $705 AUD|+6.0%
MOH London
Retailer 2
Retailer 3
Retailer 4
November 1, 2026
Retailer 2$280 AUD
Retailer 3$508 AUD
Retailer 4$517 AUD
MOH London$1,445 AUD

13 data points across 4 retailers

4 retailers$508 AUD to $1,445 AUD

Retailer 1
-
$280 AUD
$197 USD
Price last confirmed 7 days ago
A
Retailer 2
-
$508 AUD
$357 USD
View
A
Retailer 3
-
$517 AUD
$363 USD
View
Most Expensive
B+
MOH London
283540071 · Nov 1
$1,445 AUD
£799 GBP
View
3 more retailers have this diamond
Prices start from $508 AUDSave up to $936 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.

A
1.02ct Round
$508 AUD