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Round|Lab Grown

1.80ct F SI2 Round Lab Grown Diamond

EX • F/SI2 • 5D5ECDED34

Diamond specifications and retailer prices

From $373 NZD
$210 USD
As of November 1, 2026
Save $1,116 NZD (75%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $1,489 NZD at NZ Jewellers · As of October 31, 2026
View at NZ Jewellers

About this 1.8ct lab-grown round diamond

This 1.8ct lab-grown round sits in the one-and-a-half to two carat band, graded F colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade. Listed at 4 retailers as of October 31, 2026, with prices from $373 to $1,489, a $1,116 spread on the same certified stone. NZ Jewellers lists it at $1,489. 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

1.80
Carat
F
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading Lab
Certificate5D5ECDED34
Dimensions7.86 × 7.88 × 4.74 mm
L/W Ratio1.00
Top View
7.86 mm7.88 mm1.80 ctF / SI2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Certificate5D5ECDED34
Side View
Table 58.0%CrownGirdlePavilionCulet: NoneDepth 60.2%

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 1
Current: $1,489 NZD|Low: $358 NZD|High: $1,489 NZD|Avg: $741 NZD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 10, 2026
Retailer 2$373 NZD
Retailer 4$433 NZD
Retailer 3$463 NZD
Retailer 5$463 NZD
Retailer 6$1,258 NZD
NZ Jewellers$1,489 NZD

6 data points across 6 retailers

4 retailers$373 NZD to $1,489 NZD

B+
Cheapest Retailer
-
$373 NZD
$210 USD
B+
Retailer 2
-
$433 NZD
$244 USD
View
B+
Retailer 3
-
$463 NZD
$261 USD
View
Most Expensive
B
NZ Jewellers
71f951b3-85d6-4d64-b066-a0a7d783609b · Oct 31
$1,489 NZD
$839 USD
View
3 more retailers have this diamond
Prices start from $373 NZDSave up to $1,116 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+
1.80ct Round
$373 NZD