Round|Lab Grown|IGI

1.27ct D VS1 Round Lab Grown Diamond

ID • D/VS1 • IGI LG811636270

Shape and cutting style on the report: Round brilliant

Certificate IGI LG811636270

Diamond specifications and retailer prices

From $217 USD
As of November 4, 2026
Save $960 USD (82%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $2,134 USD at Queensmith · As of October 27, 2026
View at Queensmith

About this 1.27ct lab-grown round diamond

This 1.27ct lab-grown round sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG811636270 or 811636270. Listed at 22 retailers as of November 4, 2026, with a 442% 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

1.27
Carat
D
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG811636270
Dimensions6.89 × 6.94 × 4.30 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
6.89 mm6.94 mm1.27 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG811636270
Side View
Table 57.0%Crown 35°Girdle: MediumPavilion 40.7°Culet: NoneDepth 62.1%

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: Nov 4
Current: $435 USD|Low: $217 USD|High: $1,143 USD|Avg: $550 USD|+4.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 5, 2026
Retailer 9$217 USD
Retailer 2$325 USD
Retailer 10$412 USD
Retailer 8$417 USD
Retailer 1$435 USD
Retailer 5$445 USD
Retailer 11$535 USD
Retailer 7$588 USD
Retailer 4$779 USD
Retailer 3$880 USD
Retailer 6$1,129 USD

40 data points across 11 retailers

22 retailers$217 USD to $1,177 USD

Retailer 1
-
$187 USD
Price last confirmed 35 days ago
A
Retailer 2
-
$217 USD
View
Final sale: no returns
Retailer 3
-
$226 USD
View
Price last confirmed 30 days ago
Retailer 4
-
$242 USD
View
Price last confirmed 34 days ago
A
Retailer 5
-
$268 USD
View
B+
Retailer 6
-
$325 USD
View
A
Retailer 7
-
$417 USD
View
A
Retailer 8
-
$427 USD
View
A
Retailer 9
-
$435 USD
View
A
Retailer 10
-
$445 USD
View
Retailer 11
-
$535 USD
View
Price last confirmed 17 days ago
B+
Retailer 12
-
$588 USD
View
B+
Retailer 13
-
$628 USD
View
Retailer 14
-
$777 USD
View
Price last confirmed 36 days ago
B
Retailer 15
-
$779 USD
View
B
Retailer 16
-
$785 USD
View
B
Retailer 17
-
$815 USD
View
B
Retailer 18
-
$830 USD
View
B
Retailer 19
-
$880 USD
View
B
Retailer 20
-
$1,129 USD
View
B
Retailer 21
-
$1,177 USD
View
Most Expensive
Queensmith
LG811636270 · Oct 27
$2,134 USD
£1,680 GBP
View
Price under review
21 more retailers have this diamond
Prices start from $217 USDSave up to $960 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
1.27ct Round
$217 USD