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Round|Lab Grown|IGI

1.20ct D IF Round Lab Grown Diamond

ID • D/IF • IGI LG835667802

Shape and cutting style on the report: Round brilliant

Certificate IGI LG835667802

Diamond specifications and retailer prices

From $268 USD
As of November 1, 2026
Save $1,142 USD (81%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $1,410 USD at Reve Diamonds · As of November 1, 2026
View at Reve Diamonds

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 IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG835667802 or 835667802. Listed at 16 retailers as of November 1, 2026, with prices from $268 to $1,410, a $1,142 spread on the same certified stone. Reve Diamonds lists it at $1,410. 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
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.9°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG835667802
Dimensions6.90 × 6.95 × 4.12 mm
L/W Ratio1.01
Girdle conditionFaceted
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
6.90 mm6.95 mm1.20 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG835667802
Side View
Table 58.0%Crown 33.9°Girdle: MediumPavilion 40.3°Culet: NoneDepth 59.6%

Caratlytics Score

How it works →
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: $268 USD|Low: $268 USD|High: $1,410 USD|Avg: $806 USD
Retailer 1
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
Reve Diamonds
November 1, 2026
Retailer 1$268 USD
Retailer 3$384 USD
Retailer 5$470 USD
Retailer 7$527 USD
Retailer 9$551 USD
Retailer 10$571 USD
Retailer 14$582 USD
Retailer 8$630 USD
Retailer 12$706 USD
Retailer 4$739 USD
Retailer 2$1,119 USD
Retailer 6$1,240 USD
Retailer 11$1,334 USD
Retailer 13$1,345 USD
Reve Diamonds$1,410 USD

18 data points across 15 retailers

16 retailers$268 USD to $1,410 USD

A
Cheapest Retailer
-
$268 USD
A
Retailer 2
-
$384 USD
HK$3,000 HKD
View
A
Retailer 3
-
$470 USD
View
A
Retailer 4
-
$527 USD
£415 GBP
View
A
Retailer 5
-
$551 USD
€525 EUR
View
A
Retailer 6
-
$571 USD
ZAR 9,222 ZAR
View
A
Retailer 7
-
$582 USD
View
B+
Retailer 8
-
$630 USD
£496 GBP
View
B+
Retailer 9
-
$706 USD
View
B+
Retailer 10
-
$739 USD
View
B
Retailer 11
-
$1,119 USD
View
B
Retailer 12
-
$1,140 USD
View
B
Retailer 13
-
$1,240 USD
View
B
Retailer 14
-
$1,334 USD
£1,050 GBP
View
B
Retailer 15
-
$1,345 USD
View
Most Expensive
B
Reve Diamonds
533B7D3EB · Nov 1
$1,410 USD
View
15 more retailers have this diamond
Prices start from $268 USDSave up to $1,142 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
$268 USD