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Marquise|Lab Grown|IGI

4.00ct E IF Marquise Lab Grown Diamond

EX • E/IF • IGI LG817609491

Shape and cutting style on the report: Hexagonal modified brilliant

Certificate IGI LG817609491

Diamond specifications and retailer prices

From $7,562 SGD
$5,915 USD
As of October 31, 2026
Save $37,144 SGD (83%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $44,706 SGD at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 4ct lab-grown marquise diamond

This 4ct lab-grown marquise sits in the three to five carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG817609491 or 817609491. Listed at 9 retailers as of October 31, 2026, with prices from $7,562 to $44,706, a $37,144 spread on the same certified stone. Do Amore Diamonds lists it at $44,706. 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

4.00
Carat
E
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.1°
Pavilion angle37.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG817609491
Dimensions16.12 × 7.66 × 4.98 mm
L/W Ratio2.10
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
16.12 mm7.66 mm4.00 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG817609491
Side View
Table 63.0%Crown 35.1°Girdle: MED-STKPavilion 37.8°Culet: NoneDepth 65.0%

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 31
Current: $44,706 SGD|Low: $3,138 SGD|High: $44,706 SGD|Avg: $12,016 SGD|+167.6%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 30, 2026
Retailer 5$7,562 SGD
Retailer 8$7,846 SGD
Retailer 9$9,043 SGD
Retailer 6$12,209 SGD
Retailer 3$17,023 SGD
Retailer 4$20,750 SGD
Retailer 2$26,151 SGD
Retailer 7$29,354 SGD
Do Amore Diamonds$44,706 SGD

25 data points across 9 retailers

9 retailers$7,562 SGD to $44,706 SGD

A
Cheapest Retailer
-
$7,562 SGD
$5,915 USD
A
Retailer 2
-
$7,846 SGD
$6,137 USD
View
Final sale: no returns
A
Retailer 3
-
$12,209 SGD
$9,550 USD
View
B+
Retailer 4
-
$17,023 SGD
£10,485 GBP
View
B+
Retailer 5
-
$20,750 SGD
$16,231 USD
View
B
Retailer 6
-
$26,151 SGD
£16,107 GBP
View
B
Retailer 7
-
$29,354 SGD
$22,961 USD
View
B
Retailer 8
-
$41,778 SGD
$32,680 USD
View
Most Expensive
B
Do Amore Diamonds
27-15C9351EE · Oct 31
$44,706 SGD
$34,970 USD
View
8 more retailers have this diamond
Prices start from $7,562 SGDSave up to $37,144 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
4.00ct Marquise
$7,562 SGD