CaratHunter
Plans
Marquise|Lab Grown|IGI

1.70ct E FL Marquise Lab Grown Diamond

EX • E/FL • IGI LG784645899

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG784645899

Diamond specifications and retailer prices

From $1,270 NZD
$716 USD
As of October 27, 2026
Save $10,014 NZD (89%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $11,285 NZD at Do Amore Diamonds · As of October 30, 2026
View at Do Amore Diamonds

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 E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG784645899 or 784645899. Listed at 15 retailers as of October 27, 2026, with prices from $1,270 to $11,285, a $10,014 spread on the same certified stone. Do Amore Diamonds lists it at $11,285. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.70
Carat
E
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.6°
Pavilion angle39.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG784645899
Dimensions11.74 × 6.15 × 3.95 mm
L/W Ratio1.91
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
11.74 mm6.15 mm1.70 ctE / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG784645899
Side View
Table 61.0%Crown 37.6°Girdle: STK-THKPavilion 39.6°Culet: NoneDepth 64.2%

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: Oct 27
Current: $11,285 NZD|Low: $1,270 NZD|High: $14,851 NZD|Avg: $4,053 NZD|-24.0%
Do Amore Diamonds
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
Retailer 15
October 29, 2026
Retailer 10$1,270 NZD
Retailer 15$1,382 NZD
Retailer 12$1,751 NZD
Retailer 9$1,800 NZD
Retailer 4$1,836 NZD
Retailer 7$1,891 NZD
Retailer 5$1,966 NZD
Retailer 11$2,392 NZD
Retailer 2$2,740 NZD
Retailer 13$3,628 NZD
Retailer 14$4,572 NZD
Retailer 3$4,684 NZD
Retailer 8$6,129 NZD
Retailer 6$8,641 NZD
Do Amore Diamonds$11,285 NZD

35 data points across 15 retailers

15 retailers$1,270 NZD to $11,285 NZD

A
Cheapest Retailer
-
$1,270 NZD
$716 USD
A
Retailer 2
-
$1,382 NZD
$779 USD
View
A
Retailer 3
-
$1,751 NZD
$987 USD
View
A
Retailer 4
-
$1,800 NZD
£799 GBP
View
A
Retailer 5
-
$1,836 NZD
$1,035 USD
View
A
Retailer 6
-
$1,891 NZD
$1,066 USD
View
Final sale: no returns
A
Retailer 7
-
$1,966 NZD
$1,108 USD
View
A
Retailer 8
-
$2,392 NZD
$1,348 USD
View
A
Retailer 9
-
$2,740 NZD
€1,471 EUR
View
B+
Retailer 10
-
$3,628 NZD
$2,045 USD
View
B+
Retailer 11
-
$4,572 NZD
$2,577 USD
View
B+
Retailer 12
-
$4,684 NZD
$2,640 USD
View
B
Retailer 13
-
$6,129 NZD
£2,720 GBP
View
B
Retailer 14
-
$8,641 NZD
$4,870 USD
View
Most Expensive
B
Do Amore Diamonds
27-3887A5746 · Oct 30
$11,285 NZD
$6,360 USD
View
14 more retailers have this diamond
Prices start from $1,270 NZDSave up to $10,014 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
1.70ct Marquise
$1,270 NZD