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Marquise|Natural|GIA

0.78ct K SI1 Marquise Natural Diamond

VG • K/SI1 • GIA 5

Certificate GIA 5

Diamond specifications and retailer prices

From $2,322 NZD
As of November 4, 2026
Save $4,367 NZD (65%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $6,689 NZD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 0.78ct natural marquise diamond

This 0.78ct natural marquise sits in the just-under-one-carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a very-good cut grade stated by the retailer rather than the lab and certified by GIA. Listed at 8 retailers as of November 4, 2026, with prices from $2,322 to $6,689, a $4,367 spread on the same certified stone. NZ Jewellers lists it at $6,689. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

0.78
Carat
K
Colour
SI1
Clarity
Very Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Very Good
PolishVery Good
SymmetryGood
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 5
Dimensions9.67 × 4.66 × 2.94 mm
L/W Ratio2.08
Top View
9.67 mm4.66 mm0.78 ctK / SI1
OriginNatural
CutVery Good
PolishVery Good
SymmetryGood
FluorescenceFaint
CertificateGIA 5
Side View
Table 53.0%CrownGirdle: MED-VTKPavilionCulet: NoneDepth 63.1%

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 4
Current: $6,689 NZD|Low: $2,322 NZD|High: $6,689 NZD|Avg: $3,130 NZD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 1, 2026
Retailer 8$2,322 NZD
Retailer 4$2,350 NZD
Retailer 5$2,484 NZD
Retailer 7$2,484 NZD
Retailer 2$2,599 NZD
Retailer 3$2,776 NZD
Retailer 6$2,866 NZD
NZ Jewellers$6,689 NZD

3 data points across 8 retailers

8 retailers$2,322 NZD to $6,689 NZD

B+
Cheapest Retailer
-
$2,322 NZD
B+
Retailer 2
-
$2,350 NZD
View
Retailer 3
-
$2,484 NZD
View
Price last confirmed 9 days ago
B
Retailer 4
-
$2,484 NZD
View
B
Retailer 5
-
$2,599 NZD
View
B
Retailer 6
-
$2,776 NZD
View
B
Retailer 7
-
$2,866 NZD
View
Most Expensive
C
NZ Jewellers
6a2b832b-697b-4db0-b184-df7430c21bca · Nov 5
$6,689 NZD
$3,708 USD
View
7 more retailers have this diamond
Prices start from $2,322 NZDSave up to $4,367 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
$2,322 NZD