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Round|Lab Grown|IGI

1.20ct D VS1 Round Lab Grown Diamond

ID • D/VS1 • IGI LG686501329

Shape and cutting style on the report: Round brilliant

Certificate IGI LG686501329

Diamond specifications and retailer prices

From $168 USD
As of November 3, 2026
Save $922 USD (85%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $1,090 USD at Reve Diamonds · As of November 4, 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 VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG686501329 or 686501329. Listed at 22 retailers as of November 3, 2026, with prices from $168 to $1,090, a $922 spread on the same certified stone. Reve Diamonds lists it at $1,090. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG686501329
Dimensions6.76 × 6.80 × 4.16 mm
L/W Ratio1.01
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
6.76 mm6.80 mm1.20 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG686501329
Side View
Table 59.0%Crown 34.5°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 61.4%

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 3
Current: $364 USD|Low: $161 USD|High: $1,090 USD|Avg: $492 USD|+3.4%
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
Retailer 15
Reve Diamonds
November 5, 2026
Retailer 4$168 USD
Retailer 5$188 USD
Retailer 6$208 USD
Retailer 15$280 USD
Retailer 10$348 USD
Retailer 3$354 USD
Retailer 12$358 USD
Retailer 1$364 USD
Retailer 13$499 USD
Retailer 11$506 USD
Retailer 14$513 USD
Retailer 9$525 USD
Retailer 7$668 USD
Retailer 2$707 USD
Retailer 8$969 USD
Reve Diamonds$1,090 USD

39 data points across 16 retailers

22 retailers$168 USD to $1,090 USD

A
Cheapest Retailer
-
$168 USD
A
Retailer 2
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$188 USD
View
Final sale: no returns
A
Retailer 3
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$194 USD
View
Retailer 4
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$208 USD
View
Price last confirmed 11 days ago
A
Retailer 5
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$208 USD
View
B+
Retailer 6
-
$280 USD
View
A
Retailer 7
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$348 USD
View
A
Retailer 8
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$358 USD
View
A
Retailer 9
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$364 USD
View
A
Retailer 10
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$381 USD
View
B+
Retailer 11
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$406 USD
View
B+
Retailer 12
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$499 USD
View
B+
Retailer 13
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$506 USD
View
B+
Retailer 14
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$513 USD
View
B+
Retailer 15
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$525 USD
View
B+
Retailer 16
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$532 USD
View
B
Retailer 17
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$668 USD
View
B
Retailer 18
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$682 USD
View
Retailer 19
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$707 USD
View
Price last confirmed 8 days ago
B
Retailer 20
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$722 USD
View
B
Retailer 21
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$969 USD
View
Most Expensive
B
Reve Diamonds
C45D16857 · Nov 4
$1,090 USD
View
21 more retailers have this diamond
Prices start from $168 USDSave up to $922 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
$168 USD