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Marquise|Lab Grown|IGI

5.65ct F SI1 Marquise Lab Grown Diamond

ID • F/SI1 • IGI LG677525269

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG677525269

Diamond specifications and retailer prices

From $944 SGD
$738 USD
As of November 2, 2026
Save $6,352 SGD (87%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $7,296 SGD at Rare Carat · As of October 28, 2026
View at Rare Carat

About this 5.65ct lab-grown marquise diamond

This 5.65ct lab-grown marquise sits in the over five carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG677525269 or 677525269. Listed at 14 retailers as of October 28, 2026, with prices from $944 to $7,296, a $6,352 spread on the same certified stone. Rare Carat lists it at $7,296. 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

5.65
Carat
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.7°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG677525269
Dimensions18.06 × 9.20 × 5.94 mm
L/W Ratio1.96
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
18.06 mm9.20 mm5.65 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG677525269
Side View
Table 60.0%Crown 37.7°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 64.6%

Caratlytics Score

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

Price History

Last verified: Nov 2
Current: $7,296 SGD|Low: $944 SGD|High: $11,702 SGD|Avg: $3,311 SGD
Rare Carat
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
November 2, 2026
Retailer 13$944 SGD
Retailer 6$1,027 SGD
Retailer 14$1,096 SGD
Retailer 2$1,225 SGD
Retailer 17$1,293 SGD
Retailer 15$1,324 SGD
Retailer 16$1,629 SGD
Retailer 10$1,758 SGD
Retailer 5$1,775 SGD
Retailer 7$1,934 SGD
Retailer 12$2,698 SGD
Retailer 3$3,045 SGD
Retailer 4$3,080 SGD
Retailer 11$4,303 SGD
Rare Carat$7,296 SGD
Retailer 8$8,225 SGD
Retailer 9$11,702 SGD

6 data points across 17 retailers

14 retailers$944 SGD to $7,296 SGD

A
Cheapest Retailer
-
$944 SGD
$738 USD
A
Retailer 2
-
$1,027 SGD
$803 USD
View
A
Retailer 3
-
$1,096 SGD
$857 USD
View
A
Retailer 4
-
$1,225 SGD
£754 GBP
View
A
Retailer 5
-
$1,293 SGD
HK$7,900 HKD
View
A
Retailer 6
-
$1,324 SGD
$1,035 USD
View
A
Retailer 7
-
$1,629 SGD
$1,274 USD
View
A
Retailer 8
-
$1,758 SGD
£1,083 GBP
View
B+
Retailer 9
-
$1,775 SGD
$1,388 USD
View
B+
Retailer 10
-
$2,698 SGD
$2,110 USD
View
B
Retailer 11
-
$3,045 SGD
$2,381 USD
View
B
Retailer 12
-
$3,080 SGD
$2,408 USD
View
B
Retailer 13
-
$4,303 SGD
£2,649 GBP
View
Most Expensive
B
Rare Carat
KI2695252KF677 · Oct 28
$7,296 SGD
$5,705 USD
View
13 more retailers have this diamond
Prices start from $944 SGDSave up to $6,352 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
5.65ct Marquise
$944 SGD