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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 $803 AUD
As of October 29, 2026
16 retailers carry this diamond
Most expensive: $1,822 AUD 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
Colour
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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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $1,822 AUD|Low: $258 AUD|High: $1,879 AUD|Avg: $1,010 AUD|-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$363 AUD
Retailer 7$488 AUD
Retailer 6$699 AUD
Retailer 5$726 AUD
Retailer 2$803 AUD
Retailer 10$891 AUD
Retailer 4$952 AUD
Retailer 3$1,180 AUD
Retailer 8$1,630 AUD
Retailer 9$1,632 AUD
Brilliant Earth$1,822 AUD

27 data points across 11 retailers

16 retailers

Retailer 1
-
$325 AUD
$228 USD
Price last confirmed 31 days ago
Retailer 2
-
$325 AUD
$228 USD
View
Price last confirmed 19 days ago
Retailer 3
-
$376 AUD
$264 USD
View
Price last confirmed 37 days ago
Retailer 4
-
$397 AUD
$279 USD
View
Price last confirmed 31 days ago
Retailer 5
-
$403 AUD
$283 USD
View
Price last confirmed 17 days ago
Retailer 6
-
$403 AUD
$283 USD
View
Price last confirmed 27 days ago
Retailer 7
-
$488 AUD
$343 USD
View
Price last confirmed 17 days ago
Retailer 8
-
$726 AUD
£402 GBP
View
Price last confirmed 16 days ago
A
Retailer 9
-
$803 AUD
View
Retailer 10
-
$952 AUD
$669 USD
View
Price last confirmed 12 days ago
Retailer 11
-
$1,180 AUD
$829 USD
View
Price last confirmed 17 days ago
Retailer 12
-
$1,294 AUD
$909 USD
View
Price last confirmed 22 days ago
Retailer 13
-
$1,294 AUD
$909 USD
View
Price last confirmed 33 days ago
Retailer 14
-
$1,630 AUD
$1,145 USD
View
Price last confirmed 22 days ago
Retailer 15
-
$1,632 AUD
£903 GBP
View
Price last confirmed 18 days ago
Most Expensive
Brilliant Earth
16273405A · Oct 10
$1,822 AUD
$1,280 USD
View
Price last confirmed 19 days ago
15 more retailers have this diamond
Prices start from $803 AUD

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
$803 AUD