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Marquise|Lab Grown|IGI

3.08ct G VS1 Marquise Lab Grown Diamond

EX • G/VS1 • IGI LG850607423

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG850607423

Diamond specifications and retailer prices

From $390 USD
As of October 30, 2026
Save $3,160 USD (89%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $3,550 USD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 3.08ct lab-grown marquise diamond

This 3.08ct lab-grown marquise sits in the three to five carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG850607423 or 850607423. Listed at 20 retailers as of October 30, 2026, with prices from $390 to $3,550, a $3,160 spread on the same certified stone. Brilliant Earth lists it at $3,550. 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

3.08
Carat
G
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.4°
Pavilion angle38°
OriginLab Grown
Grading LabIGI
CertificateIGI LG850607423
Dimensions15.32 × 7.70 × 4.53 mm
L/W Ratio1.99
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
15.32 mm7.70 mm3.08 ctG / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG850607423
Side View
Table 61.0%Crown 36.4°Girdle: MED-STKPavilion 38°Culet: NoneDepth 58.8%

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: $870 USD|Low: $390 USD|High: $3,506 USD|Avg: $1,184 USD|-0.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
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Retailer 9
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Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
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Retailer 19
November 2, 2026
Retailer 16$390 USD
Retailer 12$437 USD
Retailer 18$484 USD
Retailer 4$538 USD
Retailer 14$539 USD
Retailer 19$630 USD
Retailer 9$650 USD
Retailer 3$865 USD
Retailer 1$870 USD
Retailer 2$1,019 USD
Retailer 6$1,050 USD
Retailer 17$1,058 USD
Retailer 15$1,357 USD
Retailer 5$1,555 USD
Retailer 11$1,570 USD
Retailer 8$1,592 USD
Retailer 7$1,812 USD
Retailer 13$1,890 USD
Retailer 10$3,506 USD

6 data points across 19 retailers

20 retailers$390 USD to $3,550 USD

A
Cheapest Retailer
-
$390 USD
A
Retailer 2
-
$437 USD
View
A
Retailer 3
-
$484 USD
View
A
Retailer 4
-
$538 USD
HK$4,200 HKD
View
A
Retailer 5
-
$539 USD
£424 GBP
View
A
Retailer 6
-
$630 USD
View
B+
Retailer 7
-
$650 USD
View
A
Retailer 8
-
$865 USD
View
A
Retailer 9
-
$870 USD
£685 GBP
View
A
Retailer 10
-
$1,019 USD
A$1,567 AUD
View
A
Retailer 11
-
$1,050 USD
ZAR 16,965 ZAR
View
A
Retailer 12
-
$1,058 USD
View
B+
Retailer 13
-
$1,357 USD
View
B+
Retailer 14
-
$1,555 USD
View
B+
Retailer 15
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$1,570 USD
SGD 2,122 SGD
View
B+
Retailer 16
-
$1,592 USD
View
B+
Retailer 17
-
$1,812 USD
View
B
Retailer 18
-
$1,890 USD
£1,488 GBP
View
B
Retailer 19
-
$3,506 USD
View
Most Expensive
B
Brilliant Earth
22402125A · Oct 31
$3,550 USD
View
19 more retailers have this diamond
Prices start from $390 USDSave up to $3,160 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
3.08ct Marquise
$390 USD