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Marquise|Lab Grown|IGI

3.75ct E VVS1 Marquise Lab Grown Diamond

EX • E/VVS1 • IGI LG768687318

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG768687318

Diamond specifications and retailer prices

From $1,726 USD
As of October 30, 2026
Save $5,297 USD (75%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $7,023 USD at Taylor and Hart · As of October 30, 2026
View at Taylor and Hart

About this 3.75ct lab-grown marquise diamond

This 3.75ct lab-grown marquise sits in the three to five carat band, graded E colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG768687318 or 768687318. Listed at 20 retailers as of October 30, 2026, with prices from $1,726 to $7,023, a $5,297 spread on the same certified stone. Taylor and Hart lists it at $7,023. 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

3.75
Carat
E
Color
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.7°
Pavilion angle39.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG768687318
Dimensions15.39 × 8.00 × 5.06 mm
L/W Ratio1.92
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
15.39 mm8.00 mm3.75 ctE / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG768687318
Side View
Table 59.0%Crown 36.7°Girdle: STK-THKPavilion 39.5°Culet: NoneDepth 63.3%

Caratlytics Score

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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: $5,026 USD|Low: $1,657 USD|High: $10,900 USD|Avg: $4,453 USD|-11.9%
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
Taylor and Hart
October 31, 2026
Retailer 3$1,726 USD
Retailer 10$2,002 USD
Retailer 13$2,104 USD
Retailer 2$2,170 USD
Retailer 8$2,221 USD
Retailer 11$2,839 USD
Retailer 17$2,862 USD
Retailer 7$2,985 USD
Retailer 5$3,118 USD
Retailer 16$3,123 USD
Retailer 6$4,145 USD
Retailer 18$4,529 USD
Retailer 14$4,649 USD
Retailer 1$5,026 USD
Retailer 9$5,395 USD
Retailer 15$5,748 USD
Retailer 12$5,800 USD
Retailer 4$6,030 USD
Taylor and Hart$7,023 USD

39 data points across 19 retailers

20 retailers$1,726 USD to $7,023 USD

A
Cheapest Retailer
-
$1,726 USD
B+
Retailer 2
-
$2,002 USD
View
B+
Retailer 3
-
$2,104 USD
View
Final sale: no returns
B+
Retailer 4
-
$2,170 USD
View
B+
Retailer 5
-
$2,221 USD
View
B+
Retailer 6
-
$2,839 USD
£2,235 GBP
View
B+
Retailer 7
-
$2,862 USD
View
B+
Retailer 8
-
$2,985 USD
View
B+
Retailer 9
-
$3,118 USD
View
B+
Retailer 10
-
$3,123 USD
€2,974 EUR
View
B
Retailer 11
-
$4,145 USD
£3,264 GBP
View
Retailer 12
-
$4,529 USD
A$6,967 AUD
View
Price last confirmed 9 days ago
B
Retailer 13
-
$4,649 USD
ZAR 75,106 ZAR
View
B
Retailer 14
-
$5,026 USD
A$7,733 AUD
View
B
Retailer 15
-
$5,103 USD
View
B
Retailer 16
-
$5,395 USD
View
B
Retailer 17
-
$5,748 USD
£4,526 GBP
View
B
Retailer 18
-
$5,800 USD
View
Retailer 19
-
$6,030 USD
View
Price last confirmed 24 days ago
Most Expensive
B
Taylor and Hart
IVSHNKJ · Oct 30
$7,023 USD
View
19 more retailers have this diamond
Prices start from $1,726 USDSave up to $5,297 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
3.75ct Marquise
$1,726 USD