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Marquise|Lab Grown|IGI

1.60ct G VVS1 Marquise Lab Grown Diamond

ID • G/VVS1 • IGI LG818663631

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG818663631

Diamond specifications and retailer prices

From $555 NZD
$312 USD
As of November 1, 2026
Save $2,280 NZD (80%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $3,910 NZD at Brilliant Earth · As of September 28, 2026
View at Brilliant Earth

About this 1.6ct lab-grown marquise diamond

This 1.6ct lab-grown marquise sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG818663631 or 818663631. Listed at 22 retailers as of November 1, 2026, with a 411% 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

1.60
Carat
G
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.6°
Pavilion angle42.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818663631
Dimensions11.83 × 6.08 × 3.96 mm
L/W Ratio1.95
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.83 mm6.08 mm1.60 ctG / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818663631
Side View
Table 61.0%Crown 33.6°Girdle: MED-THKPavilion 42.3°Culet: NoneDepth 65.1%

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: Nov 1
Current: $1,076 NZD|Low: $555 NZD|High: $2,571 NZD|Avg: $1,360 NZD|+2.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
November 2, 2026
Retailer 5$555 NZD
Retailer 14$657 NZD
Retailer 11$826 NZD
Retailer 9$915 NZD
Retailer 13$969 NZD
Retailer 7$1,061 NZD
Retailer 1$1,076 NZD
Retailer 4$1,278 NZD
Retailer 2$1,301 NZD
Retailer 12$1,431 NZD
Retailer 10$1,479 NZD
Retailer 3$2,367 NZD
Retailer 8$2,467 NZD
Retailer 6$2,571 NZD

42 data points across 14 retailers

22 retailers$555 NZD to $2,835 NZD

Retailer 1
-
$496 NZD
$279 USD
Price last confirmed 25 days ago
A
Retailer 2
-
$555 NZD
$312 USD
View
Final sale: no returns
Retailer 3
-
$576 NZD
$324 USD
View
Price last confirmed 34 days ago
Retailer 4
-
$615 NZD
$346 USD
View
Price last confirmed 30 days ago
Retailer 5
-
$615 NZD
$346 USD
View
Price last confirmed 25 days ago
B+
Retailer 6
-
$826 NZD
$465 USD
View
A
Retailer 7
-
$915 NZD
$515 USD
View
A
Retailer 8
-
$969 NZD
€519 EUR
View
A
Retailer 9
-
$1,061 NZD
ZAR 9,644 ZAR
View
A
Retailer 10
-
$1,076 NZD
£477 GBP
View
A
Retailer 11
-
$1,278 NZD
$719 USD
View
Retailer 12
-
$1,301 NZD
$732 USD
View
Price last confirmed 9 days ago
B+
Retailer 13
-
$1,431 NZD
A$1,239 AUD
View
B+
Retailer 14
-
$1,479 NZD
$832 USD
View
Retailer 15
-
$1,978 NZD
$1,113 USD
View
Price last confirmed 33 days ago
B+
Retailer 16
-
$2,068 NZD
$1,164 USD
View
B
Retailer 17
-
$2,367 NZD
$1,332 USD
View
B
Retailer 18
-
$2,467 NZD
£1,093 GBP
View
B
Retailer 19
-
$2,563 NZD
$1,442 USD
View
B
Retailer 20
-
$2,571 NZD
$1,446 USD
View
B
Retailer 21
-
$2,835 NZD
$1,595 USD
View
Most Expensive
Brilliant Earth
21035738A · Sep 28
$3,910 NZD
$2,200 USD
View
Price last confirmed 35 days ago
21 more retailers have this diamond
Prices start from $555 NZDSave up to $2,280 NZD

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
1.60ct Marquise
$555 NZD