Round|Lab Grown|IGI

1.90ct D SI1 Round Lab Grown Diamond

ID • D/SI1 • IGI LG696532777

Shape and cutting style on the report: Round brilliant

Certificate IGI LG696532777

Diamond specifications and retailer prices

From $564 USD
A$868 AUD
As of October 29, 2026
16 retailers carry this diamond
Most expensive: $1,280 USD at Brilliant Earth · As of October 10, 2026
View at Brilliant Earth

About this 1.9ct lab-grown round diamond

This 1.9ct lab-grown round sits in the one-and-a-half to two carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG696532777 or 696532777. Listed at 16 retailers as of October 29, 2026. 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

1.90
Carat
D
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.6°
Pavilion angle40°
OriginLab Grown
Grading LabIGI
CertificateIGI LG696532777
Dimensions7.97 × 8.02 × 4.77 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.97 mm8.02 mm1.90 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG696532777
Side View
Table 59.0%Crown 34.6°Girdle: MED-STKPavilion 40°Culet: NoneDepth 59.6%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 29
Current: $1,280 USD|Low: $181 USD|High: $1,320 USD|Avg: $709 USD|-3.0%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 19, 2026
Retailer 11$255 USD
Retailer 7$343 USD
Retailer 6$491 USD
Retailer 5$510 USD
Retailer 2$564 USD
Retailer 10$626 USD
Retailer 4$669 USD
Retailer 3$829 USD
Retailer 8$1,145 USD
Retailer 9$1,147 USD
Brilliant Earth$1,280 USD

27 data points across 11 retailers

16 retailers

Retailer 1
-
$228 USD
Price last confirmed 31 days ago
Retailer 2
-
$228 USD
View
Price last confirmed 19 days ago
Retailer 3
-
$264 USD
View
Price last confirmed 37 days ago
Retailer 4
-
$279 USD
View
Price last confirmed 31 days ago
Retailer 5
-
$283 USD
View
Price last confirmed 17 days ago
Retailer 6
-
$283 USD
View
Price last confirmed 27 days ago
Retailer 7
-
$343 USD
View
Price last confirmed 17 days ago
Retailer 8
-
$510 USD
£402 GBP
View
Price last confirmed 16 days ago
A
Retailer 9
-
$564 USD
A$868 AUD
View
Retailer 10
-
$669 USD
View
Price last confirmed 12 days ago
Retailer 11
-
$829 USD
View
Price last confirmed 17 days ago
Retailer 12
-
$909 USD
View
Price last confirmed 22 days ago
Retailer 13
-
$909 USD
View
Price last confirmed 33 days ago
Retailer 14
-
$1,145 USD
View
Price last confirmed 22 days ago
Retailer 15
-
$1,147 USD
£903 GBP
View
Price last confirmed 17 days ago
Most Expensive
Brilliant Earth
16273405A · Oct 10
$1,280 USD
View
Price last confirmed 19 days ago
15 more retailers have this diamond
Prices start from $564 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
1.90ct Round
$564 USD