Marquise|Lab Grown|IGI

0.99ct E VS1 Marquise Lab Grown Diamond

ID • E/VS1 • IGI LG784655206

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG784655206

Diamond specifications and retailer prices

From $148 USD
As of October 30, 2026
Save $957 USD (87%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $1,105 USD at Queensmith · As of October 27, 2026
View at Queensmith

About this 0.99ct lab-grown marquise diamond

This 0.99ct lab-grown marquise sits in the just-under-one-carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG784655206 or 784655206. Listed at 22 retailers as of October 27, 2026, with prices from $148 to $1,105, a $957 spread on the same certified stone. Queensmith lists it at $1,105. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.99
Carat
E
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle33.2°
Pavilion angle39.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG784655206
Dimensions10.21 × 5.22 × 3.25 mm
L/W Ratio1.96
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.21 mm5.22 mm0.99 ctE / VS1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG784655206
Side View
Table 57.0%Crown 33.2°Girdle: STK-THKPavilion 39.4°Culet: NoneDepth 62.3%

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: $333 USD|Low: $142 USD|High: $1,026 USD|Avg: $453 USD|+1.3%
Retailer 1
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Retailer 21
November 1, 2026
Retailer 21$148 USD
Retailer 10$165 USD
Retailer 11$171 USD
Retailer 2$183 USD
Retailer 8$183 USD
Retailer 12$317 USD
Retailer 1$333 USD
Retailer 17$334 USD
Retailer 6$337 USD
Retailer 3$340 USD
Retailer 16$348 USD
Retailer 4$426 USD
Retailer 18$455 USD
Retailer 20$467 USD
Retailer 14$572 USD
Retailer 5$588 USD
Retailer 9$644 USD
Retailer 15$670 USD
Retailer 19$860 USD
Retailer 13$960 USD
Retailer 7$1,026 USD

44 data points across 21 retailers

22 retailers$148 USD to $1,105 USD

A
Cheapest Retailer
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$148 USD
A
Retailer 2
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$165 USD
View
Final sale: no returns
A
Retailer 3
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$171 USD
View
A
Retailer 4
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$183 USD
View
Retailer 5
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$183 USD
View
Price last confirmed 7 days ago
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Retailer 6
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$317 USD
£249 GBP
View
A
Retailer 7
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$333 USD
ZAR 5,373 ZAR
View
A
Retailer 8
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$334 USD
€318 EUR
View
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Retailer 9
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$337 USD
View
A
Retailer 10
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$340 USD
View
A
Retailer 11
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$348 USD
£274 GBP
View
B+
Retailer 12
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$426 USD
View
B+
Retailer 13
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$455 USD
View
B+
Retailer 14
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$467 USD
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B+
Retailer 15
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$584 USD
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B+
Retailer 16
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$588 USD
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B+
Retailer 17
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$644 USD
View
B+
Retailer 18
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$670 USD
View
B
Retailer 19
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$860 USD
£677 GBP
View
B
Retailer 20
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$960 USD
£756 GBP
View
B
Retailer 21
-
$1,026 USD
View
Most Expensive
B
Queensmith
LG784655206 · Oct 27
$1,105 USD
£870 GBP
View
21 more retailers have this diamond
Prices start from $148 USDSave up to $957 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
0.99ct Marquise
$148 USD