Marquise|Lab Grown|IGI

1.29ct E VVS1 Marquise Lab Grown Diamond

ID • E/VVS1 • IGI LG818661075

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG818661075

Diamond specifications and retailer prices

From $223 USD
As of October 30, 2026
Save $1,043 USD (82%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $1,600 USD at Brilliant Earth · As of September 28, 2026
View at Brilliant Earth

About this 1.29ct lab-grown marquise diamond

This 1.29ct lab-grown marquise sits in the one-and-a-quarter to one-and-a-half carat band, graded E colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG818661075 or 818661075. Listed at 23 retailers as of October 30, 2026, with a 468% 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

1.29
Carat
E
Color
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.9°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818661075
Dimensions11.33 × 5.46 × 3.58 mm
L/W Ratio2.08
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.33 mm5.46 mm1.29 ctE / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818661075
Side View
Table 56.0%Crown 36.9°Girdle: MED-THKPavilion 40.7°Culet: NoneDepth 65.6%

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 30
Current: $1,200 USD|Low: $249 USD|High: $1,270 USD|Avg: $727 USD|-5.5%
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
October 30, 2026
Retailer 4$249 USD
Retailer 13$340 USD
Retailer 2$372 USD
Retailer 8$447 USD
Retailer 10$475 USD
Retailer 6$514 USD
Retailer 11$674 USD
Retailer 3$720 USD
Retailer 12$890 USD
Retailer 7$1,051 USD
Retailer 9$1,113 USD
Brilliant Earth$1,200 USD
Retailer 5$1,266 USD

43 data points across 13 retailers

23 retailers$223 USD to $1,266 USD

A
Cheapest Retailer
-
$223 USD
A
Retailer 2
-
$249 USD
View
Final sale: no returns
A
Retailer 3
-
$258 USD
View
A
Retailer 4
-
$276 USD
View
A
Retailer 5
-
$276 USD
View
Retailer 6
-
$340 USD
£268 GBP
View
Price last confirmed 13 days ago
B+
Retailer 7
-
$372 USD
View
A
Retailer 8
-
$447 USD
€426 EUR
View
A
Retailer 9
-
$475 USD
ZAR 7,667 ZAR
View
A
Retailer 10
-
$514 USD
£405 GBP
View
A
Retailer 11
-
$568 USD
View
B+
Retailer 12
-
$627 USD
View
B+
Retailer 13
-
$674 USD
A$1,037 AUD
View
B+
Retailer 14
-
$720 USD
View
B+
Retailer 15
-
$888 USD
View
B+
Retailer 16
-
$890 USD
View
B+
Retailer 17
-
$941 USD
View
B+
Retailer 18
-
$952 USD
View
B+
Retailer 19
-
$1,051 USD
A$1,617 AUD
View
B
Retailer 20
-
$1,113 USD
£876 GBP
View
B
Retailer 21
-
$1,200 USD
View
B
Retailer 22
-
$1,266 USD
View
Most Expensive
Brilliant Earth
21035224A · Sep 28
$1,600 USD
View
Price last confirmed 32 days ago
22 more retailers have this diamond
Prices start from $223 USDSave up to $1,043 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
1.29ct Marquise
$223 USD