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 $1,001 NZD

A$868 AUD

As of October 29, 2026

16 retailers carry this diamond

Most expensive: $2,271 NZD 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

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

View IGI Report →View Loupe360 Video →

Top View

OriginLab Grown

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateIGI LG696532777

Side View

Caratlytics Score

How it works →

Excellent

Excellent quality and great value

Unlock full score analysis

See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29

Current: $2,271 NZD|Low: $321 NZD|High: $2,342 NZD|Avg: $1,259 NZD|-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$452 NZD

Retailer 7$609 NZD

Retailer 6$872 NZD

Retailer 5$905 NZD

Retailer 2$1,001 NZD

Retailer 10$1,111 NZD

Retailer 4$1,187 NZD

Retailer 3$1,471 NZD

Retailer 8$2,032 NZD

Retailer 9$2,035 NZD

Brilliant Earth$2,271 NZD

27 data points across 11 retailers

16 retailers

Retailer 1

$405 NZD

$228 USD

Price last confirmed 31 days ago

Retailer 2

$405 NZD

$228 USD

View

Price last confirmed 20 days ago

Retailer 3

$468 NZD

$264 USD

View

Price last confirmed 38 days ago

Retailer 4

$495 NZD

$279 USD

View

Price last confirmed 31 days ago

Retailer 5

$502 NZD

$283 USD

View

Price last confirmed 18 days ago

Retailer 6

$502 NZD

$283 USD

View

Price last confirmed 28 days ago

Retailer 7

$609 NZD

$343 USD

View

Price last confirmed 18 days ago

Retailer 8

$905 NZD

£402 GBP

View

Price last confirmed 17 days ago

Retailer 9

$1,001 NZD

A$868 AUD

View

Retailer 10

$1,187 NZD

$669 USD

View

Price last confirmed 13 days ago

Retailer 11

$1,471 NZD

$829 USD

View

Price last confirmed 17 days ago

Retailer 12

$1,613 NZD

$909 USD

View

Price last confirmed 22 days ago

Retailer 13

$1,613 NZD

$909 USD

View

Price last confirmed 33 days ago

Retailer 14

$2,032 NZD

$1,145 USD

View

Price last confirmed 22 days ago

Retailer 15

$2,035 NZD

£903 GBP

View

Price last confirmed 18 days ago

Most Expensive

Brilliant Earth

16273405A · Oct 10

$2,271 NZD

$1,280 USD

View

Price last confirmed 20 days ago

15 more retailers have this diamond

Prices start from $1,001 NZD

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.

Similar diamonds

1.90ct Round

$1,001 NZD