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Round|Lab Grown|IGI

1.00ct J VVS2 Round Lab Grown Diamond

EX • J/VVS2 • IGI LG389979830

Shape and cutting style on the report: Round brilliant

Certificate IGI LG389979830

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)
14 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 LG389979830 or 389979830. Listed at 14 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 angle41.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG389979830
Dimensions6.45 × 6.40 × 3.93 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
6.45 mm6.40 mm1.00 ctJ / VVS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG389979830
Side View
Table 60.5%Crown 33.5°Girdle: MED-STKPavilion 41.5°Culet: NoneDepth 61.2%

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: $1,838 USD|+0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 29, 2026
Retailer 6$750 USD
Retailer 5$1,145 USD
Retailer 10$1,246 USD
Retailer 9$1,282 USD
Retailer 7$1,328 USD
Retailer 3$1,749 USD
Retailer 8$2,111 USD
Retailer 4$2,276 USD
Retailer 2$2,442 USD
MOH London$4,274 USD

45 data points across 10 retailers

14 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
Price last confirmed 12 days ago
B
Retailer 6
-
$1,328 USD
View
B
Retailer 7
-
$1,500 USD
View
B
Retailer 8
-
$1,749 USD
£1,377 GBP
View
B
Retailer 9
-
$2,111 USD
View
B
Retailer 10
-
$2,276 USD
€2,168 EUR
View
B
Retailer 11
-
$2,442 USD
ZAR 39,450 ZAR
View
B
Retailer 12
-
$2,490 USD
View
B
Retailer 13
-
$2,618 USD
View
Most Expensive
B
MOH London
LG389979830 · Oct 27
$4,274 USD
£3,365 GBP
View
13 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