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Round|Lab Grown|IGI

1.00ct J VVS2 Round Lab Grown Diamond

EX • J/VVS2 • IGI LG389979919

Shape and cutting style on the report: Round brilliant

Certificate IGI LG389979919

Diamond specifications and retailer prices

From $750 USD
As of October 29, 2026
Save $3,524 USD (82%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $4,274 USD at MOH London · As of October 27, 2026
View at MOH London

About this 1ct lab-grown round diamond

This 1ct lab-grown round sits in the classic one-carat band, graded J colour (near-colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG389979919 or 389979919. Listed at 13 retailers as of October 27, 2026, with prices from $750 to $4,274, a $3,524 spread on the same certified stone. MOH London lists it at $4,274. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.00
Carat
J
Color
VVS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle33.5°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG389979919
Dimensions6.51 × 6.44 × 3.88 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
6.51 mm6.44 mm1.00 ctJ / VVS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG389979919
Side View
Table 60.0%Crown 33.5°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 60.0%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $4,274 USD|Low: $750 USD|High: $4,326 USD|Avg: $2,028 USD|+0.1%
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
October 29, 2026
Retailer 9$750 USD
Retailer 8$1,145 USD
Retailer 12$1,246 USD
Retailer 11$1,282 USD
Retailer 6$1,485 USD
Retailer 14$1,500 USD
Retailer 3$1,872 USD
Retailer 13$1,924 USD
Retailer 10$2,111 USD
Retailer 2$2,276 USD
Retailer 7$2,442 USD
Retailer 4$2,618 USD
Retailer 5$3,804 USD
MOH London$4,274 USD

24 data points across 14 retailers

13 retailers$750 USD to $4,274 USD

B+
Cheapest Retailer
-
$750 USD
B
Retailer 2
-
$1,145 USD
View
B
Retailer 3
-
$1,246 USD
View
B
Retailer 4
-
$1,282 USD
View
Final sale: no returns
B
Retailer 5
-
$1,328 USD
View
B
Retailer 6
-
$1,328 USD
View
Price last confirmed 12 days ago
B
Retailer 7
-
$1,500 USD
View
B
Retailer 8
-
$2,111 USD
View
B
Retailer 9
-
$2,276 USD
€2,168 EUR
View
B
Retailer 10
-
$2,442 USD
ZAR 39,450 ZAR
View
B
Retailer 11
-
$2,490 USD
View
B
Retailer 12
-
$2,618 USD
View
Most Expensive
B
MOH London
LG389979919 · Oct 27
$4,274 USD
£3,365 GBP
View
12 more retailers have this diamond
Prices start from $750 USDSave up to $3,524 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.

B+
1.00ct Round
$750 USD