Round|Lab Grown|IGI

1.38ct D SI1 Round Lab Grown Diamond

ID • D/SI1 • IGI LG660459692

Certificate IGI LG660459692

Diamond specifications and retailer prices

From $960 USD
As of October 30, 2026
Save $590 USD (38%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $1,550 USD at Jared · As of October 30, 2026
View at Jared

About this 1.38ct lab-grown round diamond

This 1.38ct 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 LG660459692 or 660459692. Listed at 3 retailers as of October 30, 2026, with prices from $960 to $1,550, a $590 spread on the same certified stone. Jared lists it at $1,550. 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

1.38
Carat
D
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabIGI
CertificateIGI LG660459692
Dimensions7.11 × 7.15 mm
L/W Ratio1.01
Top View
7.11 mm7.15 mm1.38 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG660459692
Side View
Table 57.0%CrownGirdle: THN-MEDPavilionCulet: NoneDepth 61.7%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Oct 30
Current: $1,550 USD|Low: $960 USD|High: $1,550 USD|Avg: $1,249 USD
Jared
Retailer 2
Retailer 3
April 27, 2026
Retailer 2$960 USD
Retailer 3$960 USD
Jared$1,550 USD

7 data points across 3 retailers

3 retailers$960 USD to $1,550 USD

B
Cheapest Retailer
-
$960 USD
B
Retailer 2
-
$960 USD
View
Most Expensive
B
Jared
154726426 · Oct 30
$1,550 USD
View
2 more retailers have this diamond
Prices start from $960 USDSave up to $590 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
1.38ct Round
$960 USD