Round|Lab Grown|IGI

1.04ct F SI1 Round Lab Grown Diamond

EX • F/SI1 • IGI LG818686444

Shape and cutting style on the report: Round brilliant

Certificate IGI LG818686444

Diamond specifications and retailer prices

From $366 SGD
$286 USD
As of November 1, 2026
Save $709 SGD (66%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $1,075 SGD at MOH London · As of October 29, 2026
View at MOH London

About this 1.04ct lab-grown round diamond

This 1.04ct 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 LG818686444 or 818686444. Listed at 10 retailers as of October 29, 2026, with prices from $366 to $1,075, a $709 spread on the same certified stone. MOH London lists it at $1,075. 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

1.04
Carat
F
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.1°
Pavilion angle41.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818686444
Dimensions6.44 × 6.41 × 4.03 mm
L/W Ratio1.00
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.44 mm6.41 mm1.04 ctF / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818686444
Side View
Table 58.0%Crown 35.1°Girdle: MED-STKPavilion 41.3°Culet: NoneDepth 62.6%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $1,075 SGD|Low: $229 SGD|High: $1,081 SGD|Avg: $547 SGD|+0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 1, 2026
Retailer 6$229 SGD
Retailer 9$366 SGD
Retailer 3$393 SGD
Retailer 4$400 SGD
Retailer 7$423 SGD
Retailer 2$511 SGD
Retailer 8$543 SGD
Retailer 5$583 SGD
Retailer 10$806 SGD
MOH London$1,075 SGD

42 data points across 10 retailers

10 retailers$366 SGD to $1,075 SGD

Retailer 1
-
$229 SGD
$179 USD
Price last confirmed 8 days ago
A
Retailer 2
-
$366 SGD
$286 USD
View
A
Retailer 3
-
$393 SGD
£242 GBP
View
A
Retailer 4
-
$400 SGD
€298 EUR
View
B+
Retailer 5
-
$423 SGD
$331 USD
View
B+
Retailer 6
-
$511 SGD
$400 USD
View
B+
Retailer 7
-
$543 SGD
$425 USD
View
B+
Retailer 8
-
$583 SGD
$456 USD
View
B
Retailer 9
-
$806 SGD
$630 USD
View
Most Expensive
B
MOH London
LG818686444 · Oct 29
$1,075 SGD
£662 GBP
View
9 more retailers have this diamond
Prices start from $366 SGDSave up to $709 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
1.04ct Round
$366 SGD