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Round|Lab Grown|IGI

1.20ct D VS1 Round Lab Grown Diamond

EX • D/VS1 • IGI LG786634188

Shape and cutting style on the report: Round brilliant

Certificate IGI LG786634188

Diamond specifications and retailer prices

From $186 USD
As of November 3, 2026
Save $1,017 USD (85%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $2,096 USD at Queensmith · As of October 27, 2026
View at Queensmith

About this 1.2ct lab-grown round diamond

This 1.2ct lab-grown round sits in the classic one-carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG786634188 or 786634188. Listed at 23 retailers as of November 3, 2026, with a 547% 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
D
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.7°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG786634188
Dimensions6.82 × 6.85 × 4.15 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
6.82 mm6.85 mm1.20 ctD / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG786634188
Side View
Table 62.0%Crown 34.7°Girdle: MED-STKPavilion 41°Culet: NoneDepth 60.7%

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: Nov 3
Current: $782 USD|Low: $207 USD|High: $1,203 USD|Avg: $495 USD|+47.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 4, 2026
Retailer 9$207 USD
Retailer 3$215 USD
Retailer 11$310 USD
Retailer 7$397 USD
Retailer 4$411 USD
Retailer 5$426 USD
Retailer 2$476 USD
Retailer 6$561 USD
Retailer 1$782 USD
Retailer 8$1,075 USD
Retailer 10$1,203 USD

43 data points across 11 retailers

23 retailers$186 USD to $1,203 USD

A
Cheapest Retailer
-
$186 USD
A
Retailer 2
-
$207 USD
View
Final sale: no returns
A
Retailer 3
-
$215 USD
View
A
Retailer 4
-
$230 USD
View
Retailer 5
-
$230 USD
View
Price last confirmed 10 days ago
A
Retailer 6
-
$256 USD
View
B+
Retailer 7
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$310 USD
View
A
Retailer 8
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$387 USD
View
A
Retailer 9
-
$397 USD
View
B+
Retailer 10
-
$411 USD
View
B+
Retailer 11
-
$426 USD
View
B+
Retailer 12
-
$476 USD
View
B+
Retailer 13
-
$561 USD
View
B+
Retailer 14
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$594 USD
View
B
Retailer 15
-
$740 USD
View
B
Retailer 16
-
$749 USD
View
B
Retailer 17
-
$770 USD
View
B
Retailer 18
-
$782 USD
View
B
Retailer 19
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$794 USD
View
B
Retailer 20
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$1,075 USD
View
B
Retailer 21
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$1,147 USD
View
B
Retailer 22
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$1,203 USD
View
Most Expensive
Queensmith
LG786634188 · Oct 27
$2,096 USD
£1,650 GBP
View
Price last confirmed 7 days ago
22 more retailers have this diamond
Prices start from $186 USDSave up to $1,017 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
$186 USD