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Marquise|Lab Grown|IGI

1.05ct H SI1 Marquise Lab Grown Diamond

ID • H/SI1 • IGI LG843623987

Shape and cutting style on the report: Marquise rose cut

Certificate IGI LG843623987

Diamond specifications and retailer prices

From $4,459 SGD
As of November 4, 2026
Save $2,005 SGD (31%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $8,814 SGD at Yorxs · As of October 25, 2026
View at Yorxs

About this 1.05ct lab-grown marquise diamond

This 1.05ct lab-grown marquise sits in the classic one-carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG843623987 or 843623987. Listed at 11 retailers as of November 4, 2026, with a 45% 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
H
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.1°
Pavilion angle35.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG843623987
Dimensions8.94 × 5.79 × 2.98 mm
L/W Ratio1.54
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.94 mm5.79 mm1.05 ctH / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG843623987
Side View
Table 62.0%Crown 35.1°Girdle: MED-STKPavilion 35.2°Culet: NoneDepth 51.5%

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: Nov 4
Current: $7,493 SGD|Low: $4,459 SGD|High: $15,347 SGD|Avg: $7,359 SGD|-3.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Yorxs
November 5, 2026
Retailer 6$4,459 SGD
Retailer 2$4,852 SGD
Retailer 5$4,988 SGD
Retailer 9$4,994 SGD
Retailer 8$5,173 SGD
Retailer 10$6,464 SGD
Retailer 1$7,493 SGD
Retailer 4$8,024 SGD
Yorxs$8,814 SGD
Retailer 3$11,050 SGD
Retailer 7$15,056 SGD

13 data points across 11 retailers

11 retailers$4,459 SGD to $6,464 SGD

B
Cheapest Retailer
-
$4,459 SGD
B
Retailer 2
-
$4,852 SGD
View
B
Retailer 3
-
$4,988 SGD
View
B
Retailer 4
-
$4,994 SGD
View
Final sale: no returns
B
Retailer 5
-
$5,173 SGD
View
B
Retailer 6
-
$6,464 SGD
View
Retailer 7
-
$7,493 SGD
View
Price under review
Retailer 8
-
$8,024 SGD
View
Price under review
Most Expensive
Yorxs
EABCA05B2 · Oct 25
$8,814 SGD
€6,572 EUR
View
Price under review
8 more retailers have this diamond
Prices start from $4,459 SGDSave up to $2,005 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
1.05ct Marquise
$4,459 SGD