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Marquise|Lab Grown

0.78ct G SI1 Marquise Lab Grown Diamond

EX • G/SI1 • FA8-350-350

Diamond specifications and retailer prices

From $509 NZD
$287 USD
As of November 2, 2026
Save $1,522 NZD (75%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $2,032 NZD at NZ Jewellers · As of October 31, 2026
View at NZ Jewellers

About this 0.78ct lab-grown marquise diamond

This 0.78ct lab-grown marquise sits in the just-under-one-carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade. Listed at 4 retailers as of October 31, 2026, with prices from $509 to $2,032, a $1,522 spread on the same certified stone. NZ Jewellers lists it at $2,032. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

0.78
Carat
G
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading Lab
CertificateFA8-350-350
Dimensions9.43 × 4.90 × 2.89 mm
L/W Ratio1.92
Top View
9.43 mm4.90 mm0.78 ctG / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateFA8-350-350
Side View
Table 63.1%CrownGirdlePavilionCuletDepth 59.1%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: $2,032 NZD|Low: $490 NZD|High: $2,032 NZD|Avg: $886 NZD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
October 8, 2026
Retailer 2$509 NZD
Retailer 4$591 NZD
Retailer 3$632 NZD
NZ Jewellers$2,032 NZD

6 data points across 4 retailers

4 retailers$509 NZD to $2,032 NZD

B+
Cheapest Retailer
-
$509 NZD
$287 USD
B+
Retailer 2
-
$591 NZD
$333 USD
View
B
Retailer 3
-
$632 NZD
$356 USD
View
Most Expensive
C
NZ Jewellers
8ad1aa3d-428d-431b-876b-acb582f41b9d · Oct 31
$2,032 NZD
$1,145 USD
View
3 more retailers have this diamond
Prices start from $509 NZDSave up to $1,522 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.

B+
0.78ct Marquise
$509 NZD