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Marquise|Lab Grown|IGI

1.03ct E VS1 Marquise Lab Grown Diamond

ID • E/VS1 • IGI LG770628037

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG770628037

Diamond specifications and retailer prices

From $170 USD
As of October 27, 2026
Save $814 USD (83%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $1,070 USD at Brilliant Earth · As of October 16, 2026
View at Brilliant Earth

About this 1.03ct lab-grown marquise diamond

This 1.03ct lab-grown marquise sits in the classic one-carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG770628037 or 770628037. Listed at 18 retailers as of October 26, 2026, with a 479% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.03
Carat
E
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG770628037
Dimensions9.61 × 5.33 × 3.40 mm
L/W Ratio1.80
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.61 mm5.33 mm1.03 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG770628037
Side View
Table 60.0%Crown 36.5°Girdle: MED-STKPavilion 40.1°Culet: NoneDepth 63.8%

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: Oct 27
Current: $1,070 USD|Low: $163 USD|High: $1,070 USD|Avg: $429 USD
Brilliant Earth
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
October 29, 2026
Retailer 12$170 USD
Retailer 6$189 USD
Retailer 4$197 USD
Retailer 14$210 USD
Retailer 16$210 USD
Retailer 9$265 USD
Retailer 8$292 USD
Retailer 11$361 USD
Retailer 10$372 USD
Retailer 2$402 USD
Retailer 13$512 USD
Retailer 7$527 USD
Retailer 15$676 USD
Retailer 5$714 USD
Retailer 3$984 USD
Brilliant Earth$1,070 USD

43 data points across 16 retailers

18 retailers$170 USD to $984 USD

A
Cheapest Retailer
-
$170 USD
A
Retailer 2
-
$189 USD
View
Final sale: no returns
A
Retailer 3
-
$197 USD
View
A
Retailer 4
-
$210 USD
View
A
Retailer 5
-
$210 USD
View
A
Retailer 6
-
$265 USD
£208 GBP
View
B+
Retailer 7
-
$292 USD
View
A
Retailer 8
-
$330 USD
View
A
Retailer 9
-
$361 USD
ZAR 5,831 ZAR
View
A
Retailer 10
-
$372 USD
£293 GBP
View
A
Retailer 11
-
$402 USD
€383 EUR
View
B+
Retailer 12
-
$512 USD
A$788 AUD
View
B+
Retailer 13
-
$527 USD
View
B
Retailer 14
-
$676 USD
View
B
Retailer 15
-
$714 USD
View
B
Retailer 16
-
$730 USD
View
B
Retailer 17
-
$984 USD
£775 GBP
View
Most Expensive
B
Brilliant Earth
18310494A · Oct 16
$1,070 USD
View
Price last confirmed 13 days ago
17 more retailers have this diamond
Prices start from $170 USDSave up to $814 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
1.03ct Marquise
$170 USD