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Round|Lab Grown|IGI

1.23ct E FL Round Lab Grown Diamond

ID • E/FL • IGI LG818644345

Shape and cutting style on the report: Round brilliant

Certificate IGI LG818644345

Diamond specifications and retailer prices

From $1,202 SGD
$938 USD
As of October 29, 2026
Save $2,717 SGD (69%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $5,701 SGD at With Clarity · As of October 30, 2026
View at With Clarity

About this 1.23ct lab-grown round diamond

This 1.23ct lab-grown round sits in the classic one-carat band, graded E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG818644345 or 818644345. Listed at 20 retailers as of October 27, 2026, with a 226% 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
E
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818644345
Dimensions6.94 × 6.95 × 4.17 mm
L/W Ratio1.00
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
Top View
6.94 mm6.95 mm1.23 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818644345
Side View
Table 60.0%Crown 33°Girdle: MediumPavilion 41.1°Culet: NoneDepth 60.1%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $2,413 SGD|Low: $1,621 SGD|High: $4,792 SGD|Avg: $3,069 SGD|-0.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 30, 2026
Retailer 6$1,621 SGD
Retailer 2$2,141 SGD
Retailer 4$2,188 SGD
Retailer 1$2,413 SGD
Retailer 3$2,563 SGD
Retailer 8$2,833 SGD
Retailer 5$3,563 SGD
Retailer 9$4,682 SGD
Retailer 7$4,735 SGD

39 data points across 9 retailers

20 retailers$1,202 SGD to $3,919 SGD

B+
Cheapest Retailer
-
$1,202 SGD
$938 USD
B+
Retailer 2
-
$1,307 SGD
$1,020 USD
View
B+
Retailer 3
-
$1,346 SGD
$1,050 USD
View
Final sale: no returns
B+
Retailer 4
-
$1,394 SGD
$1,088 USD
View
Retailer 5
-
$1,394 SGD
$1,088 USD
View
Price last confirmed 13 days ago
B+
Retailer 6
-
$1,621 SGD
$1,265 USD
View
B+
Retailer 7
-
$1,624 SGD
HK$9,900 HKD
View
B
Retailer 8
-
$1,997 SGD
$1,558 USD
View
B
Retailer 9
-
$2,141 SGD
£1,315 GBP
View
B
Retailer 10
-
$2,188 SGD
€1,626 EUR
View
B
Retailer 11
-
$2,413 SGD
£1,482 GBP
View
B
Retailer 12
-
$2,563 SGD
ZAR 32,301 ZAR
View
B
Retailer 13
-
$2,833 SGD
$2,210 USD
View
B
Retailer 14
-
$3,563 SGD
$2,780 USD
View
B
Retailer 15
-
$3,919 SGD
$3,058 USD
View
Retailer 16
-
$4,547 SGD
$3,548 USD
View
Price under review
Retailer 17
-
$4,682 SGD
View
Price under review
Retailer 18
-
$4,735 SGD
£2,909 GBP
View
Price under review
Retailer 19
-
$4,850 SGD
$3,784 USD
View
Price under review
Most Expensive
With Clarity
818644345 · Oct 30
$5,701 SGD
$4,448 USD
View
Price under review
19 more retailers have this diamond
Prices start from $1,202 SGDSave up to $2,717 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.

B+
1.23ct Round
$1,202 SGD