Marquise|Lab Grown|IGI

1.77ct G VS1 Marquise Lab Grown Diamond

ID • G/VS1 • IGI LG846632152

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG846632152

Diamond specifications and retailer prices

From $445 USD
As of October 30, 2026
Save $995 USD (69%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $1,440 USD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 1.77ct lab-grown marquise diamond

This 1.77ct lab-grown marquise sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG846632152 or 846632152. Listed at 10 retailers as of October 30, 2026, with prices from $445 to $1,440, a $995 spread on the same certified stone. Brilliant Earth lists it at $1,440. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.77
Carat
G
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.8°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG846632152
Dimensions12.88 × 6.13 × 3.90 mm
L/W Ratio2.10
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.88 mm6.13 mm1.77 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG846632152
Side View
Table 62.0%Crown 31.8°Girdle: STK-THKPavilion 41.2°Culet: NoneDepth 63.6%

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: $1,440 USD|Low: $445 USD|High: $1,440 USD|Avg: $854 USD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 31, 2026
Retailer 3$445 USD
Retailer 6$461 USD
Retailer 4$590 USD
Retailer 2$632 USD
Retailer 7$643 USD
Retailer 8$788 USD
Retailer 9$1,111 USD
Retailer 5$1,323 USD
Retailer 10$1,394 USD
Brilliant Earth$1,440 USD

19 data points across 10 retailers

10 retailers$445 USD to $1,440 USD

B+
Cheapest Retailer
-
$445 USD
A
Retailer 2
-
$461 USD
HK$3,600 HKD
View
A
Retailer 3
-
$590 USD
€562 EUR
View
A
Retailer 4
-
$632 USD
£497 GBP
View
A
Retailer 5
-
$643 USD
View
A
Retailer 6
-
$788 USD
View
B+
Retailer 7
-
$1,111 USD
View
B
Retailer 8
-
$1,323 USD
£1,042 GBP
View
B
Retailer 9
-
$1,394 USD
CA$1,936 CAD
View
Most Expensive
B
Brilliant Earth
22176726A · Oct 30
$1,440 USD
View
9 more retailers have this diamond
Prices start from $445 USDSave up to $995 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
1.77ct Marquise
$445 USD