Marquise|Lab Grown|IGI

1.02ct E IF Marquise Lab Grown Diamond

ID • E/IF • IGI LG818668461

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG818668461

Diamond specifications and retailer prices

From $320 SGD
$250 USD
As of October 30, 2026
Save $1,411 SGD (82%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $2,582 SGD at Brilliant Earth · As of September 26, 2026
View at Brilliant Earth

About this 1.02ct lab-grown marquise diamond

This 1.02ct lab-grown marquise sits in the classic one-carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG818668461 or 818668461. Listed at 24 retailers as of October 30, 2026, with a 442% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.02
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.6°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818668461
Dimensions9.99 × 5.28 × 3.30 mm
L/W Ratio1.89
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.99 mm5.28 mm1.02 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818668461
Side View
Table 62.0%Crown 34.6°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 62.5%

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: Oct 30
Current: $755 SGD|Low: $307 SGD|High: $1,731 SGD|Avg: $782 SGD|+3.3%
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
Retailer 18
October 31, 2026
Retailer 5$320 SGD
Retailer 3$358 SGD
Retailer 9$371 SGD
Retailer 6$396 SGD
Retailer 10$396 SGD
Retailer 2$422 SGD
Retailer 12$534 SGD
Retailer 18$601 SGD
Retailer 14$632 SGD
Retailer 16$682 SGD
Retailer 1$755 SGD
Retailer 7$771 SGD
Retailer 17$966 SGD
Retailer 11$988 SGD
Retailer 8$1,275 SGD
Retailer 13$1,344 SGD
Retailer 15$1,598 SGD
Retailer 4$1,731 SGD

37 data points across 18 retailers

24 retailers$320 SGD to $1,731 SGD

A
Cheapest Retailer
-
$320 SGD
$250 USD
A
Retailer 2
-
$358 SGD
$280 USD
View
Final sale: no returns
A
Retailer 3
-
$371 SGD
$290 USD
View
A
Retailer 4
-
$396 SGD
$310 USD
View
A
Retailer 5
-
$396 SGD
$310 USD
View
Retailer 6
-
$422 SGD
£260 GBP
View
Price last confirmed 14 days ago
A
Retailer 7
-
$534 SGD
$418 USD
View
A
Retailer 8
-
$601 SGD
$470 USD
View
A
Retailer 9
-
$632 SGD
€471 EUR
View
A
Retailer 10
-
$682 SGD
ZAR 8,613 ZAR
View
A
Retailer 11
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$752 SGD
$588 USD
View
A
Retailer 12
-
$755 SGD
£465 GBP
View
A
Retailer 13
-
$771 SGD
A$928 AUD
View
B+
Retailer 14
-
$804 SGD
$629 USD
View
Retailer 15
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$826 SGD
$646 USD
View
Price last confirmed 7 days ago
B+
Retailer 16
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$966 SGD
A$1,162 AUD
View
B+
Retailer 17
-
$988 SGD
$773 USD
View
B+
Retailer 18
-
$1,275 SGD
$997 USD
View
B+
Retailer 19
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$1,341 SGD
$1,049 USD
View
B+
Retailer 20
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$1,344 SGD
A$1,617 AUD
View
B+
Retailer 21
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$1,386 SGD
$1,084 USD
View
B+
Retailer 22
-
$1,598 SGD
£984 GBP
View
B
Retailer 23
-
$1,731 SGD
$1,354 USD
View
Most Expensive
Brilliant Earth
21103048A · Sep 26
$2,582 SGD
$2,020 USD
View
Price last confirmed 35 days ago
23 more retailers have this diamond
Prices start from $320 SGDSave up to $1,411 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
1.02ct Marquise
$320 SGD