CaratHunter
Plans
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 $1,380 USD
As of October 29, 2026
Save $4,172 USD (75%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $5,552 USD 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 $1,380 to $5,552, a $4,172 spread on the same certified stone. MOH London lists it at $5,552. 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
Color
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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $5,552 USD|Low: $1,380 USD|High: $5,597 USD|Avg: $2,894 USD|+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 29, 2026
Retailer 5$1,380 USD
Retailer 8$1,814 USD
Retailer 9$1,866 USD
Retailer 3$1,940 USD
Retailer 10$2,105 USD
Retailer 4$2,123 USD
Retailer 11$2,596 USD
Retailer 7$3,039 USD
Retailer 6$3,334 USD
Retailer 2$3,555 USD
Retailer 12$5,536 USD
MOH London$5,552 USD

20 data points across 12 retailers

12 retailers$1,380 USD to $5,552 USD

A
Cheapest Retailer
-
$1,380 USD
B+
Retailer 2
-
$1,667 USD
View
B+
Retailer 3
-
$1,814 USD
View
B+
Retailer 4
-
$1,866 USD
View
Final sale: no returns
Retailer 5
-
$1,934 USD
View
Price last confirmed 17 days ago
B+
Retailer 6
-
$1,934 USD
View
B+
Retailer 7
-
$2,105 USD
View
B
Retailer 8
-
$3,039 USD
View
B
Retailer 9
-
$3,334 USD
View
B
Retailer 10
-
$3,555 USD
ZAR 57,435 ZAR
View
B
Retailer 11
-
$3,625 USD
View
Most Expensive
B
MOH London
LG407950745 · Oct 29
$5,552 USD
£4,372 GBP
View
11 more retailers have this diamond
Prices start from $1,380 USDSave up to $4,172 USD

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
$1,380 USD