Marquise|Lab Grown|IGI

3.03ct G VS1 Marquise Lab Grown Diamond

ID • G/VS1 • IGI LG851681219

Certificate IGI LG851681219

Diamond specifications and retailer prices

From $486 USD
HK$3,800 HKD
As of November 1, 2026
Save $1,388 USD (74%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $1,874 USD at With Clarity · As of November 2, 2026
View at With Clarity

About this 3.03ct lab-grown marquise diamond

This 3.03ct 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 LG851681219 or 851681219. Listed at 9 retailers as of November 1, 2026, with prices from $486 to $1,874, a $1,388 spread on the same certified stone. With Clarity lists it at $1,874. 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

3.03
Carat
G
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabIGI
CertificateIGI LG851681219
Dimensions15.26 × 7.42 × 4.51 mm
L/W Ratio2.06
Top View
15.26 mm7.42 mm3.03 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG851681219
Side View
Table 67.0%CrownGirdle: Extremely ThickPavilionCulet: NoneDepth 60.8%

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: $1,014 USD|Low: $486 USD|High: $1,874 USD|Avg: $1,119 USD
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
With Clarity
November 2, 2026
Retailer 5$486 USD
Retailer 8$580 USD
Retailer 3$770 USD
Retailer 7$1,010 USD
Retailer 1$1,014 USD
Retailer 6$1,402 USD
Retailer 4$1,430 USD
Retailer 2$1,687 USD
With Clarity$1,874 USD

4 data points across 9 retailers

9 retailers$486 USD to $1,874 USD

A
Cheapest Retailer
-
$486 USD
HK$3,800 HKD
B+
Retailer 2
-
$580 USD
View
A
Retailer 3
-
$770 USD
£606 GBP
View
A
Retailer 4
-
$1,010 USD
View
Retailer 5
-
$1,014 USD
View
B+
Retailer 6
-
$1,402 USD
SGD 1,894 SGD
View
B+
Retailer 7
-
$1,430 USD
View
B+
Retailer 8
-
$1,687 USD
£1,328 GBP
View
Most Expensive
B
With Clarity
851681219 · Nov 2
$1,874 USD
View
8 more retailers have this diamond
Prices start from $486 USDSave up to $1,388 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
3.03ct Marquise
$486 USD