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Round|Lab Grown|IGI

1.39ct E SI1 Round Lab Grown Diamond

ID • E/SI1 • IGI LG561275075

Shape and cutting style on the report: Round brilliant

Certificate IGI LG561275075

Diamond specifications and retailer prices

From $1,219 SGD
$951 USD
As of October 29, 2026
Save $1,045 SGD (46%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $3,976 SGD at NZ Jewellers · As of October 27, 2026
View at NZ Jewellers

About this 1.39ct lab-grown round diamond

This 1.39ct lab-grown round sits in the one-and-a-quarter to one-and-a-half carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG561275075 or 561275075. 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

1.39
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.4°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG561275075
Dimensions7.20 × 7.17 × 4.35 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
7.20 mm7.17 mm1.39 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG561275075
Side View
Table 58.5%Crown 34.4°GirdlePavilion 40.6°Culet: NoneDepth 60.5%

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: $2,172 SGD|Low: $1,170 SGD|High: $4,860 SGD|Avg: $2,461 SGD|+2.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 30, 2026
Retailer 6$1,219 SGD
Retailer 7$1,414 SGD
Retailer 3$1,641 SGD
Retailer 1$2,172 SGD
Retailer 8$2,263 SGD
Retailer 4$2,960 SGD
Retailer 5$3,048 SGD
Retailer 2$4,821 SGD

40 data points across 8 retailers

11 retailers$1,219 SGD to $2,263 SGD

B
Cheapest Retailer
-
$1,219 SGD
$951 USD
B
Retailer 2
-
$1,327 SGD
$1,035 USD
View
Retailer 3
-
$1,414 SGD
$1,103 USD
View
Price last confirmed 17 days ago
B
Retailer 4
-
$1,414 SGD
$1,103 USD
View
B
Retailer 5
-
$1,641 SGD
$1,280 USD
View
B
Retailer 6
-
$2,172 SGD
£1,334 GBP
View
B
Retailer 7
-
$2,263 SGD
$1,766 USD
View
Retailer 8
-
$2,960 SGD
£1,818 GBP
View
Price under review
Retailer 9
-
$3,048 SGD
$2,378 USD
View
Price under review
Most Expensive
NZ Jewellers
c2689184-07c3-4958-917e-49326df01f5e · Oct 27
$3,976 SGD
$3,102 USD
View
Price under review
9 more retailers have this diamond
Prices start from $1,219 SGDSave up to $1,045 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
1.39ct Round
$1,219 SGD