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Marquise|Lab Grown|IGI

3.57ct D IF Marquise Lab Grown Diamond

ID • D/IF • IGI LG738525115

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG738525115

Diamond specifications and retailer prices

From $4,007 USD
As of October 30, 2026
Save $12,627 USD (76%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $16,634 USD at Taylor and Hart · As of October 31, 2026
View at Taylor and Hart

About this 3.57ct lab-grown marquise diamond

This 3.57ct lab-grown marquise sits in the three to five carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG738525115 or 738525115. Listed at 20 retailers as of October 30, 2026, with prices from $4,007 to $16,634, a $12,627 spread on the same certified stone. Taylor and Hart lists it at $16,634. 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

3.57
Carat
D
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.8°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG738525115
Dimensions15.68 × 7.78 × 4.95 mm
L/W Ratio2.02
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
15.68 mm7.78 mm3.57 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG738525115
Side View
Table 59.0%Crown 33.8°Girdle: STK-THKPavilion 40.3°Culet: NoneDepth 63.6%

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: Oct 30
Current: $4,199 USD|Low: $4,007 USD|High: $16,634 USD|Avg: $9,063 USD|-20.2%
Retailer 1
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Retailer 5
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Retailer 19
Taylor and Hart
November 1, 2026
Retailer 6$4,007 USD
Retailer 1$4,199 USD
Retailer 5$4,487 USD
Retailer 10$4,648 USD
Retailer 2$4,717 USD
Retailer 18$5,120 USD
Retailer 15$5,531 USD
Retailer 17$5,808 USD
Retailer 16$6,104 USD
Retailer 19$6,165 USD
Retailer 8$6,523 USD
Retailer 13$7,199 USD
Retailer 3$8,739 USD
Retailer 12$9,957 USD
Retailer 11$9,974 USD
Retailer 14$10,658 USD
Retailer 9$10,792 USD
Retailer 4$11,640 USD
Retailer 7$12,158 USD
Taylor and Hart$16,634 USD

33 data points across 20 retailers

20 retailers$4,007 USD to $16,634 USD

A
Cheapest Retailer
-
$4,007 USD
A
Retailer 2
-
$4,199 USD
View
A
Retailer 3
-
$4,487 USD
View
Final sale: no returns
A
Retailer 4
-
$4,648 USD
View
A
Retailer 5
-
$4,717 USD
View
A
Retailer 6
-
$5,120 USD
View
A
Retailer 7
-
$5,531 USD
£4,355 GBP
View
A
Retailer 8
-
$5,808 USD
View
A
Retailer 9
-
$6,104 USD
£4,806 GBP
View
A
Retailer 10
-
$6,165 USD
View
A
Retailer 11
-
$6,523 USD
£5,136 GBP
View
B+
Retailer 12
-
$7,199 USD
View
B+
Retailer 13
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$8,739 USD
View
B+
Retailer 14
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$9,957 USD
£7,840 GBP
View
B+
Retailer 15
-
$9,974 USD
€9,499 EUR
View
B+
Retailer 16
-
$10,658 USD
A$16,397 AUD
View
B+
Retailer 17
-
$10,792 USD
ZAR 174,343 ZAR
View
B+
Retailer 18
-
$11,640 USD
View
B
Retailer 19
-
$12,158 USD
View
Most Expensive
B
Taylor and Hart
X646M3N · Oct 31
$16,634 USD
View
19 more retailers have this diamond
Prices start from $4,007 USDSave up to $12,627 USD

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
3.57ct Marquise
$4,007 USD