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Round|Lab Grown|GIA

1.72ct D SI1 Round Lab Grown Diamond

VG • D/SI1 • GIA 7492342691

Certificate GIA 7492342691

Diamond specifications and retailer prices

From $649 NZD
$366 USD
As of October 29, 2026
Save $2,510 NZD (79%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $3,159 NZD at MOH London · As of October 29, 2026
View at MOH London

About this 1.72ct lab-grown round diamond

This 1.72ct lab-grown round sits in the one-and-a-half to two carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by GIA 7492342691. Listed at 17 retailers as of October 29, 2026, with prices from $649 to $3,159, a $2,510 spread on the same certified stone. MOH London lists it at $3,159. 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

1.72
Carat
D
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle40.6°
OriginLab Grown
Grading LabGIA
CertificateGIA 7492342691
Dimensions7.67 × 7.64 × 4.73 mm
L/W Ratio1.00
Star length50%
Lower girdle80%
Top View
7.67 mm7.64 mm1.72 ctD / SI1
OriginLab Grown
CutVery Good
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateGIA 7492342691
Side View
Table 57.0%Crown 35.5°Girdle: STK-THKPavilion 40.6°Culet: NoneDepth 61.8%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $3,159 NZD|Low: $623 NZD|High: $3,179 NZD|Avg: $1,382 NZD|-0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
October 31, 2026
Retailer 13$649 NZD
Retailer 6$726 NZD
Retailer 5$804 NZD
Retailer 14$804 NZD
Retailer 3$886 NZD
Retailer 10$1,073 NZD
Retailer 2$1,241 NZD
Retailer 9$1,257 NZD
Retailer 8$1,285 NZD
Retailer 7$1,312 NZD
Retailer 11$1,765 NZD
Retailer 12$2,358 NZD
Retailer 4$2,585 NZD
MOH London$3,159 NZD

38 data points across 14 retailers

17 retailers$649 NZD to $3,159 NZD

A
Cheapest Retailer
-
$649 NZD
$366 USD
A
Retailer 2
-
$726 NZD
$409 USD
View
Final sale: no returns
A
Retailer 3
-
$804 NZD
$453 USD
View
A
Retailer 4
-
$804 NZD
$453 USD
View
A
Retailer 5
-
$886 NZD
HK$3,900 HKD
View
B+
Retailer 6
-
$1,073 NZD
$605 USD
View
B+
Retailer 7
-
$1,222 NZD
$689 USD
View
B+
Retailer 8
-
$1,241 NZD
€666 EUR
View
B+
Retailer 9
-
$1,257 NZD
£558 GBP
View
B+
Retailer 10
-
$1,285 NZD
$724 USD
View
B+
Retailer 11
-
$1,312 NZD
£582 GBP
View
B
Retailer 12
-
$1,765 NZD
$995 USD
View
B
Retailer 13
-
$2,358 NZD
$1,329 USD
View
B
Retailer 14
-
$2,585 NZD
$1,457 USD
View
B
Retailer 15
-
$2,656 NZD
$1,497 USD
View
B
Retailer 16
-
$2,700 NZD
$1,522 USD
View
Most Expensive
B
MOH London
7492342691 · Oct 29
$3,159 NZD
£1,402 GBP
View
16 more retailers have this diamond
Prices start from $649 NZDSave up to $2,510 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
1.72ct Round
$649 NZD