Round|Lab Grown|IGI

1.23ct I IF Round Lab Grown Diamond

ID • I/IF • IGI LG837612222

Shape and cutting style on the report: Round brilliant

Certificate IGI LG837612222

Diamond specifications and retailer prices

From $366 NZD
$206 USD
As of November 1, 2026
Save $1,790 NZD (83%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $2,156 NZD at Rare Carat · As of November 1, 2026
View at Rare Carat

About this 1.23ct lab-grown round diamond

This 1.23ct lab-grown round sits in the classic one-carat band, graded I colour (near-colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG837612222 or 837612222. Listed at 15 retailers as of November 1, 2026, with prices from $366 to $2,156, a $1,790 spread on the same certified stone. Rare Carat lists it at $2,156. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.23
Carat
I
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG837612222
Dimensions6.90 × 6.96 × 4.22 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II Light Blue
Top View
6.90 mm6.96 mm1.23 ctI / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG837612222
Side View
Table 57.0%Crown 34.5°Girdle: MediumPavilion 40.6°Culet: NoneDepth 60.9%

Caratlytics Score

How it works →
A
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: Nov 1
Current: $2,156 NZD|Low: $351 NZD|High: $2,156 NZD|Avg: $984 NZD
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
November 1, 2026
Retailer 12$366 NZD
Retailer 15$410 NZD
Retailer 3$424 NZD
Retailer 11$454 NZD
Retailer 13$454 NZD
Retailer 4$630 NZD
Retailer 9$682 NZD
Retailer 2$784 NZD
Retailer 6$887 NZD
Retailer 14$1,458 NZD
Retailer 10$1,464 NZD
Retailer 7$1,554 NZD
Retailer 5$1,641 NZD
Retailer 8$1,818 NZD
Rare Carat$2,156 NZD

32 data points across 15 retailers

15 retailers$366 NZD to $2,156 NZD

A
Cheapest Retailer
-
$366 NZD
$206 USD
A
Retailer 2
-
$410 NZD
$231 USD
View
Final sale: no returns
A
Retailer 3
-
$424 NZD
$239 USD
View
A
Retailer 4
-
$454 NZD
$256 USD
View
Retailer 5
-
$454 NZD
$256 USD
View
Price last confirmed 7 days ago
B+
Retailer 6
-
$630 NZD
$355 USD
View
A
Retailer 7
-
$682 NZD
£303 GBP
View
A
Retailer 8
-
$784 NZD
ZAR 7,134 ZAR
View
B+
Retailer 9
-
$887 NZD
$500 USD
View
B
Retailer 10
-
$1,458 NZD
$822 USD
View
B
Retailer 11
-
$1,464 NZD
$825 USD
View
B
Retailer 12
-
$1,554 NZD
$876 USD
View
B
Retailer 13
-
$1,641 NZD
$925 USD
View
B
Retailer 14
-
$1,818 NZD
£807 GBP
View
Most Expensive
B
Rare Carat
VK9166_l_837612222 · Nov 1
$2,156 NZD
$1,215 USD
View
14 more retailers have this diamond
Prices start from $366 NZDSave up to $1,790 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.

A
1.23ct Round
$366 NZD