Marquise|Lab Grown|IGI

1.29ct E VVS1 Marquise Lab Grown Diamond

ID • E/VVS1 • IGI LG816620520

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG816620520

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)
24 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 LG816620520 or 816620520. Listed at 24 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 angle32.9°
Pavilion angle39.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816620520
Dimensions11.75 × 5.56 × 3.42 mm
L/W Ratio2.11
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.75 mm5.56 mm1.29 ctE / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG816620520
Side View
Table 61.0%Crown 32.9°Girdle: MED-STKPavilion 39.7°Culet: NoneDepth 61.5%

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: $679 USD|Low: $214 USD|High: $1,266 USD|Avg: $591 USD|+4.3%
Retailer 1
Retailer 2
Retailer 3
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Retailer 5
Retailer 6
Retailer 7
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Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
October 31, 2026
Retailer 6$223 USD
Retailer 4$249 USD
Retailer 9$258 USD
Retailer 7$276 USD
Retailer 10$276 USD
Retailer 12$339 USD
Retailer 17$372 USD
Retailer 15$447 USD
Retailer 18$475 USD
Retailer 13$514 USD
Retailer 11$564 USD
Retailer 2$674 USD
Retailer 1$679 USD
Retailer 8$888 USD
Retailer 3$890 USD
Retailer 14$1,051 USD
Retailer 16$1,113 USD
Retailer 5$1,266 USD

36 data points across 18 retailers

24 retailers$223 USD to $1,266 USD

A
Cheapest Retailer
-
$223 USD
A
Retailer 2
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$249 USD
View
Final sale: no returns
A
Retailer 3
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$258 USD
View
A
Retailer 4
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$276 USD
View
A
Retailer 5
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$276 USD
View
A
Retailer 6
-
$339 USD
£267 GBP
View
B+
Retailer 7
-
$372 USD
View
A
Retailer 8
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$447 USD
€426 EUR
View
A
Retailer 9
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$475 USD
ZAR 7,667 ZAR
View
A
Retailer 10
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$514 USD
£405 GBP
View
A
Retailer 11
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$564 USD
A$868 AUD
View
A
Retailer 12
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$568 USD
View
B+
Retailer 13
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$596 USD
View
B+
Retailer 14
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$627 USD
View
B+
Retailer 15
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$674 USD
A$1,037 AUD
View
B+
Retailer 16
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$679 USD
View
B+
Retailer 17
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$888 USD
View
B+
Retailer 18
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$890 USD
View
B+
Retailer 19
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$941 USD
View
B
Retailer 20
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$952 USD
View
B+
Retailer 21
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$1,051 USD
A$1,617 AUD
View
B+
Retailer 22
-
$1,113 USD
£876 GBP
View
B
Retailer 23
-
$1,266 USD
View
Most Expensive
Brilliant Earth
20767830A · Sep 28
$1,600 USD
View
Price last confirmed 32 days ago
23 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