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Round|Lab Grown|IGI

1.30ct F SI1 Round Lab Grown Diamond

ID • F/SI1 • IGI LG488154720

Shape and cutting style on the report: Round brilliant

Certificate IGI LG488154720

Diamond specifications and retailer prices

From $1,269 SGD
As of November 5, 2026
Save $1,903 SGD (60%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $4,992 SGD at MOH London · As of November 3, 2026
View at MOH London

About this 1.3ct lab-grown round diamond

This 1.3ct lab-grown round sits in the one-and-a-quarter to one-and-a-half carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG488154720 or 488154720. Listed at 12 retailers as of November 4, 2026, with a 150% 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

1.30
Carat
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG488154720
Dimensions7.00 × 7.02 × 4.33 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
7.00 mm7.02 mm1.30 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG488154720
Side View
Table 55.0%Crown 35.3°Girdle: MediumPavilion 40.2°Culet: NoneDepth 61.8%

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: Nov 5
Current: $4,992 SGD|Low: $1,269 SGD|High: $5,059 SGD|Avg: $2,217 SGD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 4$1,269 SGD
Retailer 5$1,294 SGD
Retailer 8$1,421 SGD
Retailer 6$1,473 SGD
Retailer 9$1,698 SGD
Retailer 2$2,240 SGD
Retailer 7$2,352 SGD
Retailer 3$3,172 SGD
MOH London$4,992 SGD

42 data points across 9 retailers

12 retailers$1,269 SGD to $3,172 SGD

B
Cheapest Retailer
-
$1,269 SGD
B
Retailer 2
-
$1,294 SGD
View
B
Retailer 3
-
$1,380 SGD
View
B
Retailer 4
-
$1,421 SGD
View
Final sale: no returns
Retailer 5
-
$1,473 SGD
View
Price last confirmed 26 days ago
B
Retailer 6
-
$1,473 SGD
View
B
Retailer 7
-
$1,698 SGD
View
B
Retailer 8
-
$2,240 SGD
View
B
Retailer 9
-
$2,352 SGD
View
B
Retailer 10
-
$2,759 SGD
View
B
Retailer 11
-
$3,172 SGD
View
Most Expensive
MOH London
LG488154720 · Nov 3
$4,992 SGD
£3,067 GBP
View
Price under review
11 more retailers have this diamond
Prices start from $1,269 SGDSave up to $1,903 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
1.30ct Round
$1,269 SGD