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Round|Lab Grown|IGI

1.20ct I VS2 Round Lab Grown Diamond

EX • I/VS2 • IGI LG440013278

Shape and cutting style on the report: Round brilliant

Certificate IGI LG440013278

Diamond specifications and retailer prices

From $940 USD
As of October 29, 2026
Save $945 USD (50%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $3,212 USD at NZ Jewellers · As of October 27, 2026
View at NZ Jewellers

About this 1.2ct lab-grown round diamond

This 1.2ct lab-grown round sits in the classic one-carat band, graded I colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG440013278 or 440013278. Listed at 14 retailers as of October 29, 2026, with a 101% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.20
Carat
I
Color
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG440013278
Dimensions6.76 × 6.73 × 4.23 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizeNone
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
6.76 mm6.73 mm1.20 ctI / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG440013278
Side View
Table 58.5%Crown 35.6°Girdle: ThickPavilion 41°Culet: NoneDepth 62.7%

Caratlytics Score

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B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $3,212 USD|Low: $940 USD|High: $4,959 USD|Avg: $2,569 USD
NZ Jewellers
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
Retailer 15
Retailer 16
Retailer 17
October 30, 2026
Retailer 13$940 USD
Retailer 12$1,477 USD
Retailer 3$1,607 USD
Retailer 17$1,654 USD
Retailer 14$1,713 USD
Retailer 16$1,713 USD
Retailer 5$1,885 USD
Retailer 9$1,893 USD
Retailer 6$2,310 USD
Retailer 15$2,702 USD
Retailer 2$2,761 USD
Retailer 10$2,885 USD
Retailer 7$3,110 USD
NZ Jewellers$3,212 USD
Retailer 4$4,130 USD
Retailer 8$4,905 USD
Retailer 11$4,920 USD

28 data points across 17 retailers

14 retailers$940 USD to $1,885 USD

B
Cheapest Retailer
-
$940 USD
B
Retailer 2
-
$1,477 USD
View
B
Retailer 3
-
$1,607 USD
View
B
Retailer 4
-
$1,654 USD
View
Final sale: no returns
B
Retailer 5
-
$1,713 USD
View
Retailer 6
-
$1,713 USD
View
Price last confirmed 17 days ago
B
Retailer 7
-
$1,885 USD
View
Retailer 8
-
$2,702 USD
View
Price under review
Retailer 9
-
$2,761 USD
£2,174 GBP
View
Price under review
Retailer 10
-
$2,885 USD
€2,748 EUR
View
Price under review
Retailer 11
-
$3,110 USD
View
Price under review
Most Expensive
NZ Jewellers
c255df6d-7825-4b81-b94b-f9bea2518761 · Oct 27
$3,212 USD
View
Price under review
11 more retailers have this diamond
Prices start from $940 USDSave up to $945 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
1.20ct Round
$940 USD