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Round|Lab Grown|IGI

1.23ct F SI1 Round Lab Grown Diamond

EX • F/SI1 • IGI LG794602614

Shape and cutting style on the report: Round brilliant

Certificate IGI LG794602614

Diamond specifications and retailer prices

From $305 SGD
As of November 6, 2026
Save $400 SGD (57%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $1,290 SGD at Reve Diamonds · As of October 25, 2026
View at Reve Diamonds

About this 1.23ct lab-grown round diamond

This 1.23ct lab-grown round sits in the classic one-carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG794602614 or 794602614. Listed at 21 retailers as of November 2, 2026, with a 131% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

1.23
Carat
F
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle36.7°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG794602614
Dimensions6.84 × 6.91 × 4.16 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
6.84 mm6.91 mm1.23 ctF / SI1
OriginLab Grown
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG794602614
Side View
Table 60.0%Crown 36.7°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 60.5%

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: Nov 6
Current: $392 SGD|Low: $197 SGD|High: $1,359 SGD|Avg: $566 SGD|-5.3%
Retailer 1
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
Reve Diamonds
November 6, 2026
Retailer 4$202 SGD
Retailer 14$202 SGD
Retailer 6$236 SGD
Retailer 5$251 SGD
Retailer 3$305 SGD
Retailer 10$382 SGD
Retailer 1$392 SGD
Retailer 8$490 SGD
Retailer 13$551 SGD
Retailer 7$570 SGD
Retailer 12$646 SGD
Retailer 9$705 SGD
Retailer 2$793 SGD
Retailer 11$1,052 SGD
Reve Diamonds$1,290 SGD

37 data points across 15 retailers

21 retailers$305 SGD to $705 SGD

Retailer 1
-
$177 SGD
Price last confirmed 24 days ago
Retailer 2
-
$181 SGD
View
Price last confirmed 12 days ago
Retailer 3
-
$202 SGD
View
Price last confirmed 28 days ago
Retailer 4
-
$210 SGD
View
Price last confirmed 8 days ago
Retailer 5
-
$219 SGD
View
Price last confirmed 24 days ago
Retailer 6
-
$236 SGD
View
Price last confirmed 29 days ago
Retailer 7
-
$251 SGD
View
Price last confirmed 36 days ago
B+
Retailer 8
-
$305 SGD
View
Retailer 9
-
$382 SGD
View
Price last confirmed 10 days ago
A
Retailer 10
-
$392 SGD
View
B+
Retailer 11
-
$490 SGD
View
B+
Retailer 12
-
$534 SGD
View
Retailer 13
-
$551 SGD
View
Price last confirmed 12 days ago
B+
Retailer 14
-
$570 SGD
View
Retailer 15
-
$646 SGD
View
Price last confirmed 12 days ago
Retailer 16
-
$704 SGD
View
Price last confirmed 24 days ago
B+
Retailer 17
-
$705 SGD
View
Retailer 18
-
$793 SGD
View
Price last confirmed 11 days ago
Retailer 19
-
$809 SGD
View
Price last confirmed 38 days ago
Retailer 20
-
$1,052 SGD
View
Price last confirmed 12 days ago
Most Expensive
Reve Diamonds
4FD743642 · Oct 25
$1,290 SGD
$1,007 USD
View
Price last confirmed 12 days ago
20 more retailers have this diamond
Prices start from $305 SGDSave up to $400 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
$305 SGD