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Round|Lab Grown|IGI

1.40ct E SI2 Round Lab Grown Diamond

EX • E/SI2 • IGI LG474115433

Shape and cutting style on the report: Round brilliant

Certificate IGI LG474115433

Diamond specifications and retailer prices

From $1,202 SGD
$938 USD
As of October 29, 2026
Save $1,030 SGD (46%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $3,919 SGD at NZ Jewellers · As of October 27, 2026
View at NZ Jewellers

About this 1.4ct lab-grown round diamond

This 1.4ct lab-grown round sits in the one-and-a-quarter to one-and-a-half carat band, graded E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG474115433 or 474115433. Listed at 11 retailers as of October 28, 2026, with a 86% 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

1.40
Carat
E
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.9°
Pavilion angle41.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG474115433
Dimensions7.06 × 7.12 × 4.44 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
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
7.06 mm7.12 mm1.40 ctE / SI2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG474115433
Side View
Table 62.0%Crown 35.9°GirdlePavilion 41.5°Culet: NoneDepth 62.5%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $2,140 SGD|Low: $960 SGD|High: $4,790 SGD|Avg: $2,073 SGD|+2.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 30, 2026
Retailer 4$1,202 SGD
Retailer 8$1,346 SGD
Retailer 5$1,371 SGD
Retailer 6$1,394 SGD
Retailer 1$2,140 SGD
Retailer 7$2,233 SGD
Retailer 3$3,004 SGD
Retailer 2$4,734 SGD

40 data points across 8 retailers

11 retailers$1,202 SGD to $2,233 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
-
$1,371 SGD
$1,070 USD
View
Retailer 5
-
$1,394 SGD
$1,088 USD
View
Price last confirmed 17 days ago
B
Retailer 6
-
$1,394 SGD
$1,088 USD
View
B
Retailer 7
-
$2,140 SGD
£1,315 GBP
View
B
Retailer 8
-
$2,233 SGD
$1,742 USD
View
Retailer 9
-
$3,004 SGD
$2,344 USD
View
Price under review
Most Expensive
NZ Jewellers
d341522f-ffe8-45d1-9bdd-cefff8ef5e7d · Oct 27
$3,919 SGD
$3,058 USD
View
Price under review
9 more retailers have this diamond
Prices start from $1,202 SGDSave up to $1,030 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
1.40ct Round
$1,202 SGD