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Round|Lab Grown|IGI

1.20ct D VS1 Round Lab Grown Diamond

ID • D/VS1 • IGI LG628409036

Shape and cutting style on the report: Round brilliant

Certificate IGI LG628409036

Diamond specifications and retailer prices

From $163 USD
As of October 29, 2026
Save $1,397 USD (90%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $1,560 USD at Do Amore Diamonds · As of October 29, 2026
View at Do Amore 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 LG628409036 or 628409036. Listed at 22 retailers as of October 29, 2026, with prices from $163 to $1,560, a $1,397 spread on the same certified stone. Do Amore Diamonds lists it at $1,560. 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 angle35.2°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG628409036
Dimensions6.74 × 6.80 × 4.21 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
6.74 mm6.80 mm1.20 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG628409036
Side View
Table 58.0%Crown 35.2°Girdle: MediumPavilion 40.9°Culet: NoneDepth 62.2%

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: Oct 29
Current: $1,560 USD|Low: $163 USD|High: $1,650 USD|Avg: $540 USD|-5.5%
Do Amore Diamonds
Retailer 2
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Retailer 21
October 29, 2026
Retailer 19$163 USD
Retailer 11$182 USD
Retailer 20$189 USD
Retailer 18$202 USD
Retailer 21$202 USD
Retailer 9$272 USD
Retailer 10$295 USD
Retailer 16$383 USD
Retailer 6$383 USD
Retailer 2$399 USD
Retailer 7$451 USD
Retailer 3$505 USD
Retailer 14$525 USD
Retailer 17$543 USD
Retailer 5$562 USD
Retailer 4$716 USD
Retailer 15$722 USD
Retailer 12$890 USD
Retailer 13$1,048 USD
Retailer 8$1,077 USD
Do Amore Diamonds$1,560 USD

34 data points across 21 retailers

22 retailers$163 USD to $1,560 USD

A
Cheapest Retailer
-
$163 USD
A
Retailer 2
-
$182 USD
View
Final sale: no returns
A
Retailer 3
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$189 USD
View
A
Retailer 4
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$202 USD
View
A
Retailer 5
-
$202 USD
View
B+
Retailer 6
-
$272 USD
View
A
Retailer 7
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$295 USD
View
A
Retailer 8
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$333 USD
HK$2,600 HKD
View
Price last confirmed 55 days ago
A
Retailer 9
-
$383 USD
ZAR 6,181 ZAR
View
A
Retailer 10
-
$383 USD
£302 GBP
View
Price last confirmed 14 days ago
A
Retailer 11
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$399 USD
£314 GBP
View
B+
Retailer 12
-
$451 USD
View
B+
Retailer 13
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$505 USD
View
Price last confirmed 11 days ago
B+
Retailer 14
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$525 USD
A$808 AUD
View
B+
Retailer 15
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$543 USD
A$836 AUD
View
B+
Retailer 16
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$562 USD
View
B+
Retailer 17
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$716 USD
View
Price last confirmed 11 days ago
B
Retailer 18
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$722 USD
A$1,111 AUD
View
B
Retailer 19
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$890 USD
View
B
Retailer 20
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$1,048 USD
£825 GBP
View
B
Retailer 21
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$1,077 USD
View
Most Expensive
B
Do Amore Diamonds
27-2955EA49C · Oct 29
$1,560 USD
View
21 more retailers have this diamond
Prices start from $163 USDSave up to $1,397 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
$163 USD