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Round|Lab Grown|IGI

1.78ct J VVS2 Round Lab Grown Diamond

EX • J/VVS2 • IGI LG407950745

Shape and cutting style on the report: Round brilliant

Certificate IGI LG407950745

Diamond specifications and retailer prices

From $1,452 AUD
$1,020 USD
As of October 30, 2026
Save $6,452 AUD (82%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $7,904 AUD at MOH London · As of October 29, 2026
View at MOH London

About this 1.78ct lab-grown round diamond

This 1.78ct lab-grown round sits in the one-and-a-half to two carat band, graded J colour (near-colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG407950745 or 407950745. Listed at 12 retailers as of October 29, 2026, with prices from $1,452 to $7,904, a $6,452 spread on the same certified stone. MOH London lists it at $7,904. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.78
Carat
J
Colour
VVS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.2°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG407950745
Dimensions7.74 × 7.69 × 4.75 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory grown diamond was created by chemical vapor deposition process (CVD) Type IIa
Top View
7.74 mm7.69 mm1.78 ctJ / VVS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG407950745
Side View
Table 60.0%Crown 36.2°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 61.6%

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: Oct 30
Current: $7,904 AUD|Low: $1,452 AUD|High: $7,968 AUD|Avg: $4,119 AUD|+0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 30, 2026
Retailer 2$1,452 AUD
Retailer 8$2,582 AUD
Retailer 9$2,656 AUD
Retailer 3$2,762 AUD
Retailer 10$2,997 AUD
Retailer 4$3,022 AUD
Retailer 11$3,696 AUD
Retailer 7$4,326 AUD
Retailer 6$4,746 AUD
Retailer 5$5,061 AUD
Retailer 12$7,881 AUD
MOH London$7,904 AUD

21 data points across 12 retailers

12 retailers$1,452 AUD to $7,904 AUD

A
Cheapest Retailer
-
$1,452 AUD
$1,020 USD
B+
Retailer 2
-
$2,373 AUD
$1,667 USD
View
B+
Retailer 3
-
$2,582 AUD
$1,814 USD
View
B+
Retailer 4
-
$2,656 AUD
$1,866 USD
View
Final sale: no returns
Retailer 5
-
$2,753 AUD
$1,934 USD
View
Price last confirmed 18 days ago
B+
Retailer 6
-
$2,753 AUD
$1,934 USD
View
B+
Retailer 7
-
$2,997 AUD
$2,105 USD
View
B
Retailer 8
-
$4,326 AUD
$3,039 USD
View
B
Retailer 9
-
$4,746 AUD
$3,334 USD
View
B
Retailer 10
-
$5,061 AUD
ZAR 57,435 ZAR
View
B
Retailer 11
-
$5,161 AUD
$3,625 USD
View
Most Expensive
B
MOH London
LG407950745 · Oct 29
$7,904 AUD
£4,372 GBP
View
11 more retailers have this diamond
Prices start from $1,452 AUDSave up to $6,452 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
1.78ct Round
$1,452 AUD