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Round|Lab Grown|IGI

1.05ct F SI1 Round Lab Grown Diamond

EX • F/SI1 • IGI LG846647376

Shape and cutting style on the report: Round brilliant

Certificate IGI LG846647376

Diamond specifications and retailer prices

From $230 SGD
As of October 30, 2026
Save $409 SGD (64%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $1,341 SGD at Reve Diamonds · As of October 26, 2026
View at Reve Diamonds

About this 1.05ct lab-grown round diamond

This 1.05ct 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 LG846647376 or 846647376. Listed at 15 retailers as of October 30, 2026, with a 178% 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

1.05
Carat
F
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle34.1°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG846647376
Dimensions6.53 × 6.50 × 3.93 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizeNone
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.53 mm6.50 mm1.05 ctF / SI1
OriginLab Grown
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG846647376
Side View
Table 62.0%Crown 34.1°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 60.4%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 30
Current: $422 SGD|Low: $198 SGD|High: $1,341 SGD|Avg: $559 SGD
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
Reve Diamonds
November 6, 2026
Retailer 3$198 SGD
Retailer 4$220 SGD
Retailer 13$230 SGD
Retailer 15$245 SGD
Retailer 6$332 SGD
Retailer 11$388 SGD
Retailer 1$422 SGD
Retailer 14$425 SGD
Retailer 8$427 SGD
Retailer 9$428 SGD
Retailer 10$626 SGD
Retailer 12$639 SGD
Retailer 2$654 SGD
Retailer 5$858 SGD
Retailer 7$1,148 SGD
Reve Diamonds$1,341 SGD

10 data points across 16 retailers

15 retailers$230 SGD to $639 SGD

Retailer 1
-
$198 SGD
Price last confirmed 11 days ago
A
Retailer 2
-
$230 SGD
View
Retailer 3
-
$245 SGD
View
Price last confirmed 10 days ago
B+
Retailer 4
-
$332 SGD
View
A
Retailer 5
-
$388 SGD
View
Retailer 6
-
$422 SGD
View
Retailer 7
-
$425 SGD
View
Price last confirmed 9 days ago
A
Retailer 8
-
$427 SGD
View
A
Retailer 9
-
$428 SGD
View
B+
Retailer 10
-
$626 SGD
View
B+
Retailer 11
-
$639 SGD
View
Retailer 12
-
$654 SGD
View
Price last confirmed 11 days ago
Retailer 13
-
$858 SGD
View
Price last confirmed 10 days ago
Retailer 14
-
$1,148 SGD
View
Price last confirmed 11 days ago
Most Expensive
Reve Diamonds
37208E10C · Oct 26
$1,341 SGD
$1,050 USD
View
Price last confirmed 11 days ago
14 more retailers have this diamond
Prices start from $230 SGDSave up to $409 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
1.05ct Round
$230 SGD