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 $263 SGD
$206 USD
As of October 29, 2026
Save $1,055 SGD (80%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $1,553 SGD at Rare Carat · As of October 21, 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 October 29, 2026, with a 401% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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: Oct 29
Current: $1,553 SGD|Low: $253 SGD|High: $1,553 SGD|Avg: $708 SGD
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
October 30, 2026
Retailer 12$263 SGD
Retailer 15$295 SGD
Retailer 3$306 SGD
Retailer 11$327 SGD
Retailer 13$327 SGD
Retailer 4$454 SGD
Retailer 2$493 SGD
Retailer 9$553 SGD
Retailer 6$639 SGD
Retailer 14$1,051 SGD
Retailer 10$1,055 SGD
Retailer 7$1,119 SGD
Retailer 5$1,183 SGD
Retailer 8$1,318 SGD
Rare Carat$1,553 SGD

31 data points across 15 retailers

15 retailers$263 SGD to $1,318 SGD

A
Cheapest Retailer
-
$263 SGD
$206 USD
A
Retailer 2
-
$295 SGD
$231 USD
View
Final sale: no returns
A
Retailer 3
-
$306 SGD
$239 USD
View
A
Retailer 4
-
$327 SGD
$256 USD
View
A
Retailer 5
-
$327 SGD
$256 USD
View
B+
Retailer 6
-
$454 SGD
$355 USD
View
A
Retailer 7
-
$493 SGD
£304 GBP
View
Retailer 8
-
$553 SGD
ZAR 6,987 ZAR
View
Price last confirmed 8 days ago
B+
Retailer 9
-
$639 SGD
$500 USD
View
B
Retailer 10
-
$1,051 SGD
$822 USD
View
B
Retailer 11
-
$1,055 SGD
$825 USD
View
B
Retailer 12
-
$1,119 SGD
$876 USD
View
B
Retailer 13
-
$1,183 SGD
$925 USD
View
B
Retailer 14
-
$1,318 SGD
£812 GBP
View
Most Expensive
Rare Carat
VK9166_l_837612222 · Oct 21
$1,553 SGD
$1,215 USD
View
Price last confirmed 10 days ago
14 more retailers have this diamond
Prices start from $263 SGDSave up to $1,055 SGD

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
$263 SGD