Marquise|Lab Grown|IGI

1.70ct G VS1 Marquise Lab Grown Diamond

ID • G/VS1 • IGI LG845669358

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG845669358

Diamond specifications and retailer prices

From $346 USD
HK$2,700 HKD
As of November 1, 2026
Save $1,114 USD (76%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $1,460 USD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.7ct lab-grown marquise diamond

This 1.7ct 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 LG845669358 or 845669358. Listed at 23 retailers as of October 31, 2026, with prices from $346 to $1,460, a $1,114 spread on the same certified stone. Brilliant Earth lists it at $1,460. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.70
Carat
G
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.2°
Pavilion angle39.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG845669358
Dimensions12.26 × 5.96 × 3.87 mm
L/W Ratio2.06
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.26 mm5.96 mm1.70 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG845669358
Side View
Table 59.0%Crown 36.2°Girdle: STK-THKPavilion 39.4°Culet: NoneDepth 64.9%

Caratlytics Score

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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: Nov 1
Current: $1,460 USD|Low: $251 USD|High: $1,460 USD|Avg: $719 USD
Brilliant Earth
Retailer 2
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Retailer 24
October 31, 2026
Retailer 7$251 USD
Retailer 10$281 USD
Retailer 14$291 USD
Retailer 5$312 USD
Retailer 16$346 USD
Retailer 18$365 USD
Retailer 6$470 USD
Retailer 21$496 USD
Retailer 11$522 USD
Retailer 23$527 USD
Retailer 8$583 USD
Retailer 19$590 USD
Retailer 9$596 USD
Retailer 22$731 USD
Retailer 2$791 USD
Retailer 3$1,002 USD
Retailer 12$1,006 USD
Retailer 17$1,053 USD
Retailer 13$1,190 USD
Retailer 4$1,226 USD
Retailer 20$1,251 USD
Retailer 15$1,281 USD
Retailer 24$1,357 USD
Brilliant Earth$1,460 USD

12 data points across 24 retailers

23 retailers$346 USD to $1,460 USD

Retailer 1
-
$251 USD
Price last confirmed 9 days ago
Retailer 2
-
$291 USD
View
Price last confirmed 8 days ago
Retailer 3
-
$312 USD
View
Price last confirmed 7 days ago
A
Retailer 4
-
$346 USD
HK$2,700 HKD
View
A
Retailer 5
-
$365 USD
£288 GBP
View
Retailer 6
-
$470 USD
View
Price last confirmed 5 days ago
A
Retailer 7
-
$496 USD
€472 EUR
View
Retailer 8
-
$522 USD
View
Price last confirmed 7 days ago
Retailer 9
-
$527 USD
ZAR 8,513 ZAR
View
Price last confirmed 9 days ago
A
Retailer 10
-
$583 USD
View
A
Retailer 11
-
$590 USD
£464 GBP
View
A
Retailer 12
-
$596 USD
View
Retailer 13
-
$731 USD
A$1,125 AUD
View
Price last confirmed 8 days ago
A
Retailer 14
-
$791 USD
View
Retailer 15
-
$1,002 USD
View
Price last confirmed 7 days ago
B+
Retailer 16
-
$1,006 USD
SGD 1,359 SGD
View
B+
Retailer 17
-
$1,053 USD
View
B
Retailer 18
-
$1,190 USD
View
B+
Retailer 19
-
$1,226 USD
View
B+
Retailer 20
-
$1,251 USD
£985 GBP
View
B
Retailer 21
-
$1,281 USD
View
Retailer 22
-
$1,357 USD
View
Price last confirmed 8 days ago
Most Expensive
B
Brilliant Earth
22219208A · Oct 31
$1,460 USD
View
22 more retailers have this diamond
Prices start from $346 USDSave up to $1,114 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
1.70ct Marquise
$346 USD