CaratHunter
Plans
Round|Lab Grown|GIA

1.80ct D SI2 Round Lab Grown Diamond

EX • D/SI2 • GIA 1457174152

Certificate GIA 1457174152

Diamond specifications and retailer prices

From $1,315 NZD
£583 GBP
As of October 30, 2026
Save $2,144 NZD (62%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $3,459 NZD at MOH London · As of October 29, 2026
View at MOH London

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 D colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1457174152. Listed at 5 retailers as of October 29, 2026, with prices from $1,315 to $3,459, a $2,144 spread on the same certified stone. MOH London lists it at $3,459. 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
D
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle41°
OriginLab Grown
Grading LabGIA
CertificateGIA 1457174152
Dimensions7.79 × 7.82 × 4.79 mm
L/W Ratio1.00
Culet sizeNone
Top View
7.79 mm7.82 mm1.80 ctD / SI2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1457174152
Side View
Table 58.0%Crown 34.5°Girdle: MED-STKPavilion 41°Culet: NoneDepth 61.4%

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: Oct 30
Current: $3,459 NZD|Low: $1,307 NZD|High: $4,099 NZD|Avg: $2,481 NZD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 30, 2026
Retailer 2$1,315 NZD
Retailer 3$1,332 NZD
Retailer 5$1,395 NZD
Retailer 4$1,705 NZD
Retailer 7$3,247 NZD
Retailer 8$3,247 NZD
MOH London$3,459 NZD
Retailer 6$4,099 NZD

3 data points across 8 retailers

5 retailers$1,315 NZD to $3,459 NZD

B+
Cheapest Retailer
-
$1,315 NZD
£583 GBP
B+
Retailer 2
-
$1,332 NZD
$751 USD
View
B+
Retailer 3
-
$1,395 NZD
$786 USD
View
B+
Retailer 4
-
$1,705 NZD
$961 USD
View
Most Expensive
B
MOH London
1457174152 · Oct 29
$3,459 NZD
£1,535 GBP
View
4 more retailers have this diamond
Prices start from $1,315 NZDSave up to $2,144 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
$1,315 NZD