Round|Lab Grown|IGI

1.27ct D SI1 Round Lab Grown Diamond

ID • D/SI1 • IGI LG696546502

Certificate IGI LG696546502

Diamond specifications and retailer prices

From $619 USD
As of November 6, 2026
Save $251 USD (29%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $870 USD at Zales · As of November 4, 2026
View at Zales

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 SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG696546502 or 696546502. Listed at 3 retailers as of November 4, 2026, with prices from $619 to $870, a $251 spread on the same certified stone. Zales lists it at $870. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.27
Carat
D
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabIGI
CertificateIGI LG696546502
Dimensions6.92 × 6.96 mm
L/W Ratio1.01
Top View
6.92 mm6.96 mm1.27 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG696546502
Side View
Table 59.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 61.3%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $619 USD|Low: $619 USD|High: $1,390 USD|Avg: $1,083 USD|-55.5%
Retailer 1
Retailer 2
Zales
November 6, 2026
Retailer 1$619 USD
Retailer 2$870 USD
Zales$870 USD

8 data points across 3 retailers

3 retailers$619 USD to $870 USD

B+
Cheapest Retailer
-
$619 USD
B
Retailer 2
-
$870 USD
View
Most Expensive
B
Zales
524897303 · Nov 4
$870 USD
View
2 more retailers have this diamond
Prices start from $619 USDSave up to $251 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.

B+
1.27ct Round
$619 USD