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Round|Lab Grown|IGI

1.28ct G VVS1 Round Lab Grown Diamond

ID • G/VVS1 • IGI LG839654761

Shape and cutting style on the report: Round brilliant

Certificate IGI LG839654761

Diamond specifications and retailer prices

From $258 AUD
$181 USD
As of October 29, 2026
Save $867 AUD (77%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $1,499 AUD at MOH London · As of October 21, 2026
View at MOH London

About this 1.28ct lab-grown round diamond

This 1.28ct lab-grown round sits in the one-and-a-quarter to one-and-a-half carat band, graded G colour (near-colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG839654761 or 839654761. Listed at 21 retailers as of October 29, 2026, with a 336% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.28
Carat
G
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.9°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG839654761
Dimensions6.95 × 6.98 × 4.33 mm
L/W Ratio1.00
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.95 mm6.98 mm1.28 ctG / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG839654761
Side View
Table 57.0%Crown 35.9°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 62.3%

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: Oct 29
Current: $1,499 AUD|Low: $246 AUD|High: $1,510 AUD|Avg: $649 AUD|-0.7%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
October 31, 2026
Retailer 16$258 AUD
Retailer 4$299 AUD
Retailer 3$319 AUD
Retailer 9$319 AUD
Retailer 6$364 AUD
Retailer 5$430 AUD
Retailer 12$534 AUD
Retailer 2$537 AUD
Retailer 13$548 AUD
Retailer 10$573 AUD
Retailer 7$692 AUD
Retailer 11$757 AUD
Retailer 14$778 AUD
Retailer 15$883 AUD
Retailer 8$1,025 AUD
Retailer 17$1,125 AUD
MOH London$1,499 AUD

37 data points across 17 retailers

21 retailers$258 AUD to $1,125 AUD

A
Cheapest Retailer
-
$258 AUD
$181 USD
A
Retailer 2
-
$299 AUD
$210 USD
View
A
Retailer 3
-
$319 AUD
$224 USD
View
A
Retailer 4
-
$319 AUD
$224 USD
View
A
Retailer 5
-
$364 AUD
HK$2,000 HKD
View
B+
Retailer 6
-
$430 AUD
$302 USD
View
A
Retailer 7
-
$534 AUD
£295 GBP
View
A
Retailer 8
-
$537 AUD
€359 EUR
View
A
Retailer 9
-
$548 AUD
ZAR 6,215 ZAR
View
A
Retailer 10
-
$573 AUD
£317 GBP
View
B+
Retailer 11
-
$675 AUD
$474 USD
View
B+
Retailer 12
-
$692 AUD
$486 USD
View
B+
Retailer 13
-
$757 AUD
$532 USD
View
B+
Retailer 14
-
$778 AUD
View
Retailer 15
-
$883 AUD
$620 USD
View
Price last confirmed 10 days ago
B
Retailer 16
-
$1,025 AUD
$720 USD
View
B
Retailer 17
-
$1,060 AUD
SGD 1,006 SGD
View
B
Retailer 18
-
$1,083 AUD
$761 USD
View
B
Retailer 19
-
$1,103 AUD
$774 USD
View
B
Retailer 20
-
$1,125 AUD
$790 USD
View
Most Expensive
MOH London
LG839654761 · Oct 21
$1,499 AUD
£829 GBP
View
Price last confirmed 10 days ago
20 more retailers have this diamond
Prices start from $258 AUDSave up to $867 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
1.28ct Round
$258 AUD