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Round|Lab Grown|IGI

1.03ct F SI1 Round Lab Grown Diamond

EX • F/SI1 • IGI LG811623859

Shape and cutting style on the report: Round brilliant

Certificate IGI LG811623859

Diamond specifications and retailer prices

From $207 SGD
As of November 5, 2026
Save $1,161 SGD (85%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $1,368 SGD at Reve Diamonds · As of November 6, 2026
View at Reve Diamonds

About this 1.03ct lab-grown round diamond

This 1.03ct 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 LG811623859 or 811623859. Listed at 22 retailers as of November 5, 2026, with prices from $207 to $1,368, a $1,161 spread on the same certified stone. Reve Diamonds lists it at $1,368. 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

1.03
Carat
F
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG811623859
Dimensions6.48 × 6.43 × 4.04 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
Top View
6.48 mm6.43 mm1.03 ctF / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG811623859
Side View
Table 56.0%Crown 35.6°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 62.6%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 5
Current: $461 SGD|Low: $204 SGD|High: $1,368 SGD|Avg: $558 SGD|+2.3%
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
Retailer 15
Retailer 16
Retailer 17
Reve Diamonds
November 6, 2026
Retailer 7$207 SGD
Retailer 2$231 SGD
Retailer 15$239 SGD
Retailer 3$255 SGD
Retailer 5$255 SGD
Retailer 16$368 SGD
Retailer 12$409 SGD
Retailer 10$446 SGD
Retailer 1$461 SGD
Retailer 4$462 SGD
Retailer 17$566 SGD
Retailer 9$595 SGD
Retailer 13$672 SGD
Retailer 11$754 SGD
Retailer 8$823 SGD
Retailer 6$892 SGD
Retailer 14$1,194 SGD
Reve Diamonds$1,368 SGD

45 data points across 18 retailers

22 retailers$207 SGD to $1,368 SGD

Retailer 1
-
$204 SGD
Price last confirmed 45 days ago
A
Retailer 2
-
$207 SGD
View
A
Retailer 3
-
$231 SGD
View
Final sale: no returns
A
Retailer 4
-
$239 SGD
View
Retailer 5
-
$239 SGD
View
Price last confirmed 66 days ago
Retailer 6
-
$250 SGD
View
Price last confirmed 45 days ago
Retailer 7
-
$255 SGD
View
Price last confirmed 12 days ago
A
Retailer 8
-
$255 SGD
View
A
Retailer 9
-
$368 SGD
View
A
Retailer 10
-
$409 SGD
View
B+
Retailer 11
-
$446 SGD
View
B+
Retailer 12
-
$461 SGD
View
B+
Retailer 13
-
$462 SGD
View
B+
Retailer 14
-
$566 SGD
View
B
Retailer 15
-
$595 SGD
View
B
Retailer 16
-
$672 SGD
View
B
Retailer 17
-
$754 SGD
View
Retailer 18
-
$816 SGD
View
Price last confirmed 46 days ago
B
Retailer 19
-
$823 SGD
View
B
Retailer 20
-
$892 SGD
View
B
Retailer 21
-
$1,194 SGD
View
Most Expensive
B
Reve Diamonds
DFF352A92 · Nov 6
$1,368 SGD
$1,071 USD
View
21 more retailers have this diamond
Prices start from $207 SGDSave up to $1,161 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
1.03ct Round
$207 SGD