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Round|Lab Grown|IGI

1.20ct G VS1 Round Lab Grown Diamond

ID • G/VS1 • IGI LG848699978

Shape and cutting style on the report: Round brilliant

Certificate IGI LG848699978

Diamond specifications and retailer prices

From $158 USD
As of November 1, 2026
Save $760 USD (83%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $918 USD at MOH London · As of November 1, 2026
View at MOH London

About this 1.2ct lab-grown round diamond

This 1.2ct lab-grown round sits in the classic one-carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG848699978 or 848699978. Listed at 20 retailers as of November 1, 2026, with prices from $158 to $918, a $760 spread on the same certified stone. MOH London lists it at $918. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.20
Carat
G
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.7°
Pavilion angle41.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG848699978
Dimensions6.83 × 6.86 × 4.19 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
6.83 mm6.86 mm1.20 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG848699978
Side View
Table 60.0%Crown 33.7°Girdle: THN-MEDPavilion 41.5°Culet: NoneDepth 61.2%

Caratlytics Score

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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: Nov 1
Current: $918 USD|Low: $158 USD|High: $923 USD|Avg: $424 USD|-0.6%
MOH London
Retailer 2
Retailer 3
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Retailer 12
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Retailer 20
November 2, 2026
Retailer 3$158 USD
Retailer 20$184 USD
Retailer 5$197 USD
Retailer 19$197 USD
Retailer 12$230 USD
Retailer 4$265 USD
Retailer 17$337 USD
Retailer 2$339 USD
Retailer 15$339 USD
Retailer 13$345 USD
Retailer 8$380 USD
Retailer 6$447 USD
Retailer 14$479 USD
Retailer 16$480 USD
Retailer 18$520 USD
Retailer 9$632 USD
Retailer 7$650 USD
Retailer 11$657 USD
Retailer 10$687 USD
MOH London$918 USD

10 data points across 20 retailers

20 retailers$158 USD to $918 USD

A
Cheapest Retailer
-
$158 USD
A
Retailer 2
-
$184 USD
View
A
Retailer 3
-
$197 USD
View
Retailer 4
-
$197 USD
View
Price last confirmed 8 days ago
A
Retailer 5
-
$230 USD
HK$1,800 HKD
View
B+
Retailer 6
-
$265 USD
View
A
Retailer 7
-
$337 USD
€321 EUR
View
A
Retailer 8
-
$339 USD
£267 GBP
View
A
Retailer 9
-
$339 USD
ZAR 5,480 ZAR
View
A
Retailer 10
-
$345 USD
£271 GBP
View
A
Retailer 11
-
$380 USD
View
B+
Retailer 12
-
$447 USD
View
B+
Retailer 13
-
$479 USD
A$737 AUD
View
B+
Retailer 14
-
$480 USD
View
B+
Retailer 15
-
$520 USD
View
B
Retailer 16
-
$632 USD
View
B
Retailer 17
-
$650 USD
View
B
Retailer 18
-
$657 USD
SGD 888 SGD
View
B
Retailer 19
-
$687 USD
View
Most Expensive
B
MOH London
LG848699978 · Nov 1
$918 USD
£723 GBP
View
19 more retailers have this diamond
Prices start from $158 USDSave up to $760 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
1.20ct Round
$158 USD