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0.80ct K SI1 Round Lab Grown Diamond

EX • K/SI1 • GIA 1359567870

Certificate GIA 1359567870

Diamond specifications and retailer prices

From $1,320 NZD
As of November 6, 2026
Save $999 NZD (43%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $2,319 NZD at 77 Diamonds · As of November 6, 2026
View at 77 Diamonds

About this 0.8ct lab-grown round diamond

This 0.8ct lab-grown round sits in the just-under-one-carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1359567870. Listed at 7 retailers as of November 6, 2026, with prices from $1,320 to $2,319, a $999 spread on the same certified stone. 77 Diamonds lists it at $2,319. 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

0.80
Carat
K
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabGIA
CertificateGIA 1359567870
Dimensions5.87 × 5.90 × 3.69 mm
L/W Ratio1.01
Culet sizeNone
Top View
5.87 mm5.90 mm0.80 ctK / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1359567870
Side View
Table 58.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 62.6%

Caratlytics Score

How it works →
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 6
Current: $2,319 NZD|Low: $1,297 NZD|High: $2,876 NZD|Avg: $1,935 NZD|+8.8%
77 Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 5$1,320 NZD
Retailer 3$1,322 NZD
Retailer 4$1,612 NZD
Retailer 7$1,893 NZD
Retailer 6$1,914 NZD
Retailer 2$2,282 NZD
77 Diamonds$2,319 NZD
Retailer 8$2,455 NZD

39 data points across 8 retailers

7 retailers$1,320 NZD to $2,319 NZD

A
Cheapest Retailer
-
$1,320 NZD
A
Retailer 2
-
$1,322 NZD
View
B
Retailer 3
-
$1,612 NZD
View
Retailer 4
-
$1,893 NZD
View
Price last confirmed 10 days ago
B
Retailer 5
-
$1,914 NZD
View
B
Retailer 6
-
$2,282 NZD
View
Most Expensive
B
77 Diamonds
RBCPTPQVVVTA · Nov 6
$2,319 NZD
£1,027 GBP
View
6 more retailers have this diamond
Prices start from $1,320 NZDSave up to $999 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
0.80ct Round
$1,320 NZD