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Marquise|Lab Grown|IGI

5.09ct D IF Marquise Lab Grown Diamond

ID • D/IF • IGI LG818631869

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG818631869

Diamond specifications and retailer prices

From $25,163 SGD
$19,683 USD
As of November 1, 2026
Save $34,189 SGD (58%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $59,925 SGD at Aida Diamonds · As of October 22, 2026
View at Aida Diamonds

About this 5.09ct lab-grown marquise diamond

This 5.09ct lab-grown marquise sits in the over five carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG818631869 or 818631869. Listed at 14 retailers as of October 29, 2026, with a 136% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

5.09
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818631869
Dimensions17.11 × 8.95 × 5.74 mm
L/W Ratio1.91
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
17.11 mm8.95 mm5.09 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818631869
Side View
Table 62.0%Crown 36°Girdle: STK-THKPavilion 40.7°Culet: NoneDepth 64.1%

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: $59,925 SGD|Low: $25,163 SGD|High: $81,463 SGD|Avg: $44,413 SGD
Aida Diamonds
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
November 1, 2026
Retailer 12$25,163 SGD
Retailer 5$26,619 SGD
Retailer 7$26,698 SGD
Retailer 3$28,202 SGD
Retailer 2$30,065 SGD
Retailer 9$31,348 SGD
Retailer 14$41,849 SGD
Retailer 10$45,080 SGD
Retailer 11$51,614 SGD
Retailer 13$52,540 SGD
Retailer 8$59,352 SGD
Aida Diamonds$59,925 SGD
Retailer 6$69,180 SGD
Retailer 4$81,463 SGD

17 data points across 14 retailers

14 retailers$25,163 SGD to $59,352 SGD

A
Cheapest Retailer
-
$25,163 SGD
$19,683 USD
A
Retailer 2
-
$26,619 SGD
$20,822 USD
View
A
Retailer 3
-
$26,698 SGD
$20,884 USD
View
A
Retailer 4
-
$28,202 SGD
$22,060 USD
View
Final sale: no returns
A
Retailer 5
-
$30,065 SGD
£18,518 GBP
View
A
Retailer 6
-
$31,348 SGD
£19,308 GBP
View
B+
Retailer 7
-
$41,849 SGD
£25,776 GBP
View
B+
Retailer 8
-
$45,080 SGD
£27,766 GBP
View
B+
Retailer 9
-
$51,614 SGD
€38,451 EUR
View
B+
Retailer 10
-
$52,540 SGD
$41,098 USD
View
B
Retailer 11
-
$59,352 SGD
ZAR 750,031 ZAR
View
Most Expensive
Aida Diamonds
487352888 · Oct 22
$59,925 SGD
A$72,115 AUD
View
Price last confirmed 9 days ago
11 more retailers have this diamond
Prices start from $25,163 SGDSave up to $34,189 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
5.09ct Marquise
$25,163 SGD